coauthor

noun

By · According to Wiktionary data (CC BY-SA) ·

"coauthor" is a 8-letter English headword indexed on PlainSpell.

The verdict

“coauthor” has 11 generated spelling variants in the English index at frequency #48,146. The variants make it a useful spelling check.

#48,146
frequency rank, English
5,599
“C” headwords
11
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An author who collaborates with another to write something.

Corpus desk

Index EN-coauthor · coauthor · English

coauthor · rank #48,146 · 11 variants · 0 confusables

  • FREQ-MID #48,146
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-MID 11 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH Clo

Nearest frequency peer: Clo (-2 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “coauthor”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “coauthor” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for coauthor
PropertyValue
Headwordcoauthor
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#48,146
Misspellings tracked11
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “coauthor”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).coauthorlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “Clo” (#48,144), “Colson” (#48,148), “comming” (#48,149). Among 5,599 “C” headwords, “coauthor” is #48,146. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 11 spelling variants around coauthor, anoun. Corpus frequency is #48,146 among 5,599 “C” headwords. Dominant gloss: "An author who collaborates with another to write something.".

Our generated misspelling index lists 11 likely wrong-spelling variants for coauthor, with forms such as "caouthor", "ccoauthor", and "coatuhor". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From co- + author. The correct English form is coauthor, spelled C-O-A-U-T-H-O-R.

Definition

  1. 1
    An author who collaborates with another to write something.

Recorded use

Wiktionary examples

These source excerpts show how coauthor appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Following this trail, we treat our sample coauthor network as a causal graph and, using SDP relaxations, rule out latent homophily as a manifestation of prior shared interest leading to the observed patternedness.
  2. In a 2022 paper, Dr. Baumert and his coauthors pointed out that the algorithms companies use to determine these scores are often proprietary and not scientifically vetted.

Etymology

From co- + author.

This word in other languages

coauteur(Français)Mitautor(Deutsch)coautor(Português)

Common misspellings

Also misspelled as:

  • caouthor
  • ccoauthor
  • coatuhor
  • coauhtor
  • coauthhor
  • coauthorr
  • coauthro
  • coautohr
  • coautthor
  • couathor
  • ocauthor

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of coauthor - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

caouthor2ccoauthor1coatuhor2coauhtor2coauthhor1coauthorr1coauthro2coautohr2
Edit distance from "coauthor"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "coauthor"?
"coauthor" is spelled C-O-A-U-T-H-O-R.
What does "coauthor" mean?
As a noun, "coauthor" means: An author who collaborates with another to write something.
What are common misspellings of "coauthor"?
Common misspellings include "caouthor", "ccoauthor", "coatuhor", "coauhtor", "coauthhor". The correct spelling is "coauthor".
What is the origin of the word "coauthor"?
From co- + author. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "coauthor", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

cookware#48,151corduroy#48,155chatroom#48,133Chastain#48,132

Similar misspelling depth

Headwords with a similar count of attested misspellings (11 here; floor ≥5).

clasped11 variantscrandall11 variantsbursary11 variantsdiatribe11 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list