The English language is a fascinating mosaic of linguistic history, frequently borrowing terms from classical languages like Latin to describe specific concepts in academia, law, and publishing. One such term is erratum, a noun that refers to an error in writing or printing that is discovered after the work has been produced. When we need to discuss multiple mistakes, we must use the correct plural form, such as errata, addenda, data, and curricula. Understanding these shifts from a singular “-um” ending to a plural “-a” ending is essential for anyone working in formal writing, editing, or scientific research. This guide will explore the etymology, usage, and grammatical rules surrounding erratum and its many linguistic cousins.
Table of Contents
- Definition and Etymology of Erratum
- Structural Breakdown of Latin Second Declension Neuter Nouns
- Rules for Pluralizing Latin Loanwords
- Types of Errors and Corrections in Publishing
- Extensive Examples and Comparative Tables
- Usage Rules and Syntactic Agreements
- Common Mistakes and Misconceptions
- Practice Exercises for Mastery
- Advanced Topics: Collective Nouns and Mass Nouns
- Frequently Asked Questions (FAQ)
- Conclusion and Final Tips
Definition and Etymology of Erratum
The word erratum is a direct loanword from Latin, derived from the past participle of the verb errare, which means “to stray” or “to err.” In a literal sense, an erratum is a thing that has strayed from the truth or the intended form. Within the context of modern English, it specifically denotes a mistake in a printed work. This could be a typographical error, a factual inaccuracy, or a formatting glitch that was not caught during the proofreading stage.
Historically, the term became prominent with the advent of the printing press. Because early printing was a manual and laborious process, errors were common. Rather than reprinting an entire book, publishers would include a separate sheet or slip of paper listing the mistakes and their corrections. This slip is known as an errata slip or an errata sheet. Interestingly, while errata is technically the plural form, it is often used in the publishing industry to refer to the list itself, leading to some confusion regarding its grammatical number.
In contemporary academic and scientific journals, the term remains highly relevant. When a researcher discovers a flaw in a published paper, they must issue an erratum to maintain the integrity of the scientific record. This formal process ensures that future readers are aware of the correction. The term carries a weight of formality and precision that words like “mistake” or “typo” lack, making it the preferred choice in professional and scholarly environments.
Structural Breakdown of Latin Second Declension Neuter Nouns
To understand why erratum becomes errata, we must look at the structure of Latin nouns. In Latin, nouns are categorized into different “declensions,” which are groups of words that share similar ending patterns. Erratum belongs to the Second Declension Neuter category. In this group, the nominative singular ending is typically -um, and the nominative plural ending is -a.
This pattern is remarkably consistent for many words that have entered the English language. When we see a word ending in -um, our grammatical “radar” should immediately suggest that the plural might end in -a. This is a distinct departure from the standard English rule of adding “-s” or “-es.” For example, we do not say “erratums” in formal writing, just as we do not say “datums” or “stratums” in most professional contexts.
The transition from -um to -a is not just a matter of changing a letter; it represents a shift in the conceptualization of the noun. In Latin, the “-a” plural is often used for collective groups of objects. This is why errata often feels like a single entity (a list) even though it refers to multiple errors. Understanding this structural root helps learners predict the plural forms of other academic terms they may encounter, such as ovum (ova) or desideratum (desiderata).
Rules for Pluralizing Latin Loanwords
Grammar rules for loanwords can be tricky because English often tries to “naturalize” foreign words over time. However, for Latin words used in technical fields, the classical plural is usually preserved. Rule one is the -um to -a transformation. This applies to erratum, bacterium, and medium. In these cases, the plural forms are errata, bacteria, and media respectively.
Rule two involves subject-verb agreement. Because errata is a plural noun, it should technically take a plural verb. For example, “The errata were printed on the final page.” However, in modern usage, some of these plurals have begun to function as mass nouns or collective singulars. Data is the most famous example of this, where “The data is” is now widely accepted alongside “The data are.” Errata has not yet reached that level of acceptance as a singular, so “The errata are” remains the safest choice for formal writing.
Rule three concerns the anglicized plural. Some Latin words have been in English so long that we have added a standard “-s” to them. For instance, museums and stadiums are the standard plurals, even though musea and stadia are technically possible. Erratum has resisted this trend. Using “erratums” is generally considered a mark of poor editing or a lack of familiarity with academic conventions. Always stick to the classical errata to maintain a professional tone.
Latin vs. English Pluralization Patterns
The following table compares the standard English pluralization pattern with the Latin Second Declension pattern found in words like erratum. This comparison highlights why these words often stand out in a sentence and require special attention from writers.
| Pattern Type | Singular Ending | Plural Ending | Example (Singular) | Example (Plural) |
|---|---|---|---|---|
| Standard English | Consonant/Vowel | -s / -es | Book | Books |
| Latin Neuter | -um | -a | Erratum | Errata |
| Latin Masculine | -us | -i | Alumnus | Alumni |
| Latin Feminine | -a | -ae | Formula | Formulae |
| Greek Neuter | -on | -a | Criterion | Criteria |
Types of Errors and Corrections in Publishing
While erratum is the umbrella term for a post-publication correction, the world of publishing uses several related terms to categorize different types of changes. Understanding these distinctions is vital for editors and authors who need to communicate precisely about what went wrong and how it is being fixed.
Corrigendum vs. Erratum
A corrigendum (plural: corrigenda) is a specific type of error correction where the mistake was made by the author rather than the printer or publisher. If an author provides the wrong formula in a scientific paper, the correction is a corrigendum. If the printer accidentally omitted a line of text that was present in the final proof, that is an erratum. In practice, many journals use the terms interchangeably, but the distinction remains important in high-level academic publishing.
Addendum
An addendum (plural: addenda) is not necessarily a correction of an error. Instead, it is an addition of new information that was not available at the time of publication but is necessary for a complete understanding of the work. For example, if a new study is released just as a book goes to press, the author might include an addendum to address the new findings. Like erratum, it follows the -um to -a pluralization rule.
Omission
An omission occurs when something that should have been included was left out. While an omission can be an erratum, it is often treated as a separate category of editorial failure. In an errata list, an omission is usually signaled by the phrase “Missing text” or “Omitted in error.” Fixing an omission often requires more space than a simple typo correction, sometimes necessitating a full page replacement in digital versions.
Extensive Examples and Comparative Tables
To master the use of erratum and errata, it is helpful to see them alongside other words that follow the same grammatical rules. The following tables provide a comprehensive look at Latin-derived neuter nouns and how they function in English sentences.
The table below lists 25 common Latin loanwords that follow the -um to -a pluralization rule. These words are frequently used in science, medicine, and academia. Familiarizing yourself with this list will help you recognize the pattern instantly.
| Singular (-um) | Plural (-a) | Primary Field of Use |
|---|---|---|
| Erratum | Errata | Publishing / Academia |
| Addendum | Addenda | Legal / Literature |
| Datum | Data | Science / Statistics |
| Bacterium | Bacteria | Biology / Medicine |
| Medium | Media | Communication / Art |
| Curriculum | Curricula | Education |
| Stratum | Strata | Geology / Sociology |
| Ovum | Ova | Biology |
| Memorandum | Memoranda | Business / Law |
| Desideratum | Desiderata | Philosophy / Literature |
| Symposium | Symposia | Academic Conferences |
| Ultimatum | Ultimata | Diplomacy / Politics |
| Millennium | Millennia | History / Chronology |
| Spectrum | Spectra | Physics / Optics |
| Podium | Podia | Public Speaking |
| Referendum | Referenda | Government |
| Candelabrum | Candelabra | Home Decor / History |
| Compendium | Compendia | Literature / Reference |
| Dictum | Dicta | Law / Philosophy |
| Emporium | Emporia | Commerce |
| Gymnasium | Gymnasia | Education / Sports |
| Herbarium | Herbaria | Botany |
| Honorarium | Honoraria | Finance / Professional Services |
| Maximum | Maxima | Mathematics |
| Minimum | Minima | Mathematics |
In the following table, we examine how these words are used in context. Pay close attention to the verb agreement and how the plural form errata functions differently than the singular erratum.
| Context | Sentence Example | Note on Usage |
|---|---|---|
| Single Error | The author found a single erratum on page 42. | Refers to one specific mistake. |
| Multiple Errors | The errata are listed in the back of the book. | Refers to a collection of mistakes. |
| Scientific Paper | An erratum was issued by the journal yesterday. | Formal notice of a correction. |
| Correction Slip | Please insert this errata slip into your copy. | “Errata” is used here as a collective noun. |
| Digital Update | The publisher corrected all errata in the second edition. | Standard plural usage. |
| Proofreading | I found an erratum in the very first paragraph. | Highlights a single typo. |
| Legal Document | The contract’s errata were signed by both parties. | Formal plural agreement. |
| Library Archive | The librarian noted the errata in the catalog. | Refers to the list of corrections. |
Usage Rules and Syntactic Agreements
Using erratum and errata correctly involves more than just knowing the plural form; it requires an understanding of how these words interact with other parts of a sentence. This section covers the essential rules for syntax and style.
1. Subject-Verb Agreement: As mentioned previously, errata is plural. Therefore, it requires a plural verb.
Correct: “The errata are extensive.”
Incorrect: “The errata is extensive.”
While “data is” has become common, “errata is” is still viewed as an error in most style guides, including the Chicago Manual of Style and APA Style.
2. Determiner Agreement: Use plural determiners with errata and singular ones with erratum.
Correct: “These errata,” “Many errata,” “A few errata.”
Correct: “This erratum,” “An erratum,” “Each erratum.”
Avoid saying “this errata” unless you are specifically referring to “this errata list,” in which case “list” is the implied head noun.
3. The “Errata List” Exception: In the publishing world, the word errata is often used as a shorthand for “errata list.” This is why you might see a sentence like “The errata is located on page 5.” In this specific context, the writer is treating errata as a collective singular noun representing the physical page or section. However, in strictly formal or academic writing, it is better to say “The errata list is…” or “The errata are…” to avoid ambiguity.
4. Adjective Placement: When describing an erratum, ensure the adjective matches the tone. Common adjectives include typographical, factual, minor, and significant. For example, “A significant erratum was discovered in the methodology section.” If multiple errors are found, the adjective remains the same, but the noun and verb change: “Significant errata were discovered.”
Common Mistakes and Misconceptions
Even seasoned writers can stumble when dealing with Latin plurals. The most frequent mistake is treating errata as a singular noun. This likely happens because we rarely see a single error; we usually see a list of them. However, just as we wouldn’t say “The children is playing,” we should avoid “The errata is.”
Another common error is the creation of “double plurals” or “hyper-corrections.” Some people, sensing that errata is a special word, might try to pluralize it further by saying “erratas.” This is always incorrect. Errata is already plural. Similarly, avoid “erratums,” which applies English rules to a word that strictly follows Latin rules in professional contexts.
| Incorrect Sentence | Correct Sentence | Explanation |
|---|---|---|
| I found an errata in the book. | I found an erratum in the book. | “An” requires a singular noun. |
| The erratums are listed here. | The errata are listed here. | Use the Latin plural form. |
| This errata is very long. | These errata are very long. | Plural noun requires plural determiner and verb. |
| The book has many erratas. | The book has many errata. | Do not add “s” to an already plural Latin form. |
| Please check the erratum list. | Please check the errata list. | “Errata” is used as an attributive noun here. |
Practice Exercises for Mastery
Test your knowledge of erratum and its plural form with the following exercises. These are designed to help you internalize the rules of agreement and selection.
Exercise 1: Fill in the Blanks
Choose the correct form (erratum or errata) and the correct verb (is or are) for each sentence.
- The author was embarrassed to find a glaring __________ on the cover.
- All __________ __________ to be corrected in the digital edition of the journal.
- If you find an __________, please report it to the editor immediately.
- These __________ __________ from the first printing of the textbook.
- A single __________ can change the entire meaning of a legal contract.
- The __________ __________ published on a separate sheet of paper.
- How many __________ did you find during the final proofreading?
- This __________ __________ particularly difficult to spot.
- The __________ __________ listed in alphabetical order by chapter.
- An __________ __________ often required for scientific accuracy.
Exercise 2: Sentence Correction
Identify and correct the error in each of the following sentences. Some sentences may have more than one error.
- The erratas in the manual makes it very difficult to follow the instructions.
- I noticed a erratum in the third row of the table.
- The publisher issued a errata for the missing bibliography.
- Are there any erratum that we should be aware of before the presentation?
- The errata is quite numerous in this early draft.
- Every erratum are a reflection of the author’s lack of attention.
- We need to print a new erratum slip because we found more mistakes.
- The errata was found by a diligent reader in London.
- I am looking for the errata list, but I can’t find it. (Wait, is this one correct?)
- Several erratums were caught by the automated spell-checker.
Answer Key
| Question | Exercise 1 Answers | Exercise 2 Corrections |
|---|---|---|
| 1 | erratum | The errata… make it… |
| 2 | errata / are | …an erratum… |
| 3 | erratum | …issued an erratum… (or an errata slip) |
| 4 | errata / are | Are there any errata… |
| 5 | erratum | The errata are… |
| 6 | errata / were | Every erratum is… |
| 7 | errata | …new errata slip… (Correct as is if referring to the slip) |
| 8 | erratum / was | The erratum was found (or errata were) |
| 9 | errata / are | Correct (Errata used as an adjective) |
| 10 | erratum / is | Several errata were… |
Advanced Topics: Collective Nouns and Mass Nouns
For advanced learners, the evolution of errata offers a glimpse into how language changes. In linguistics, we distinguish between count nouns (things you can count, like “one error, two errors”) and mass nouns (things viewed as an indivisible whole, like “water” or “information”).
In classical Latin, errata is strictly a count noun (plural). However, in modern English, many Latin plurals are shifting toward becoming mass nouns. We see this most clearly with data. In the 19th century, “The data are” was the only correct form. Today, “The data is” is standard in non-scientific contexts. Errata is in the middle of this transition. When we talk about “the errata” as a single list, we are treating it as a mass noun or a collective singular. While formal grammar still demands plural agreement, the “collective singular” use is increasing in casual professional speech.
Another advanced concept is the attributive use of the word. An attributive noun is a noun that acts like an adjective to modify another noun. In the phrase “errata slip,” errata is acting attributively. Notice that even if there is only one mistake on the slip, we still call it an “errata slip,” not an “erratum slip.” This is because the term “errata” has become the standard label for the category of corrections. This is similar to how we say “sports car” (plural “sports” modifying “car”) even if the car is only used for one sport.
Finally, it is worth noting the feminine singular confusion. In Latin, some words ending in “-a” are feminine singular (like alumna). Because errata ends in “-a,” people who know a little bit of Latin but not enough might mistake it for a singular feminine noun. This is why you will occasionally see it misused in contexts that require a singular form. Always remember that errata comes from the neuter erratum, not a feminine errata.
Frequently Asked Questions (FAQ)
Is “errata” always plural?
Grammatically, yes. Errata is the plural of erratum. However, in the context of publishing, it is often used to refer to the “errata list” as a whole. While you can say “The errata is on page 5,” it is more precise to say “The errata are listed on page 5” or “The errata list is on page 5.”
Can I use “erratums” instead?
While “erratums” follows the standard English rule for pluralization, it is not accepted in formal, academic, or professional writing. Using “erratums” may make the writer appear unfamiliar with the conventions of the field. Stick to errata.
What is the difference between an erratum and a typo?
A “typo” (typographical error) is a casual term for a mistake made during typing. An erratum is a formal term for any error—typo, factual mistake, or omission—that is officially acknowledged and corrected after publication.
How do I cite an erratum in a bibliography?
When citing an erratum, you should cite the original work and then provide the details of the erratum notice. For example: “Author Name. ‘Title of Article.’ Journal Name, vol. X, no. Y, year, pp. Z. Erratum in: Journal Name, vol. A, no. B, year, p. C.”
Are “data” and “errata” treated the same way?
They are both Latin neuter plurals. However, data has moved much further toward being accepted as a singular mass noun than errata has. In formal writing, treat both as plural, but be aware that data is is more common than errata is.
Is there a singular form for “media”?
Yes, the singular is medium. Just as one error is an erratum, one form of communication (like radio) is a medium. The plural is media.
What does “errata corrigenda” mean?
This is a phrase sometimes used as a heading for a list of corrections. It combines the plural of erratum (errors) and corrigendum (things to be corrected). It essentially means “errors and their corrections.”
Why do we use Latin words for mistakes?
English uses Latin for many academic and legal terms because Latin was the lingua franca of scholars in Europe for centuries. Using erratum instead of “mistake” signals that the correction is part of a formal, documented process.
Conclusion and Final Tips
Mastering the plural of erratum is a small but significant step in achieving a high level of English proficiency, particularly in professional and academic spheres. By remembering the -um to -a rule, you can correctly navigate a wide range of classical loanwords, from bacteria to curricula. Always aim for plural verb agreement when using errata, and use erratum when highlighting a single, specific mistake. To keep your writing sharp, remember that consistency is key: if you choose to use classical plurals, apply them correctly throughout your document. For more practice, pay close attention to the “Corrections” or “Errata” sections of academic journals or the front matter of textbooks. This real-world exposure will reinforce the rules and help you use these terms with confidence and precision.
