coauthor

Name: coauthor, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed May 6, 2026

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: 43,570
“C” headwords: 11
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An author who collaborates with another to write something.

Key facts for coauthor
Property	Value
Headword	coauthor
Language	English
Part of speech	Noun
Letters	8
Frequency rank	#48,146
Misspellings tracked	11
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Where “coauthor” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). coauthor lands here:

#48,146

#1#100#1K#10K#100K

← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 11 spelling variants around coauthor, anoun. Corpus frequency is #48,146 among 43,570 “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
An author who collaborates with another to write something.

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.

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.

Using “coauthor”

The practical upshot for anyone who landed here from a spell-check.

The one correct English spelling is C-O-A-U-T-H-O-R - every other letter order is a misspelling in standard orthography.
Browse more English words and confusable pairs in the same reference. English words

Same frequency band

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.