corroborate

/kəˈɹɒbəɹeɪ̯t/

//kəˈɹɒbəɹeɪ̯t// verb

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

"corroborate" is a 11-letter English headword indexed on PlainSpell.

The verdict

“corroborate” has 14 generated spelling variants in the English index at frequency #31,937. The variants make it a useful spelling check.

#31,937
frequency rank, English
43,570
“C” headwords
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To confirm or support something with additional evidence; to attest or vouch for.

Key facts for corroborate
PropertyValue
Headwordcorroborate
LanguageEnglish
Part of speechVerb
IPA/kəˈɹɒbəɹeɪ̯t/
Letters11
Frequency rank#31,937
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “corroborate” 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). corroborate lands here:

#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 14 spelling variants around corroborate (IPA /kəˈɹɒbəɹeɪ̯t/), averb. Corpus frequency is #31,937 among 43,570 “C” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for corroborate, with forms such as "ccorroborate", "coroborate", and "cororborate". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: First attested in the 1530s; borrowed from Latin corrōborātus (“strengthened”), perfect passive participle of corrōborō (“to support, corroborate”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from con- (“together”) + rōborō (“to st… The correct English form is corroborate, spelled C-O-R-R-O-B-O-R-A-T-E.

Definition

  1. 1
    To confirm or support something with additional evidence; to attest or vouch for.
  2. 2
    To make strong; to strengthen.

Etymology

First attested in the 1530s; borrowed from Latin corrōborātus (“strengthened”), perfect passive participle of corrōborō (“to support, corroborate”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from con- (“together”) + rōborō (“to strengthen”), from rōbur, rōboris (“strength”). Regular participial usage of the adjective up until Early Modern English, otherwise archaic.

This word in other languages

corroborar(Español)corroborer(Français)bestätigen(Deutsch)corroborar(Português)

Common misspellings

Also misspelled as:

  • ccorroborate
  • coroborate
  • cororborate
  • corrboorate
  • corrobborate
  • corroboarte
  • corroboraet
  • corroboratte
  • corroborrate
  • corrobortae
  • corrobroate
  • corroobrate
  • croroborate
  • ocrroborate

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of corroborate - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

ccorroborate1coroborate1cororborate2corrboorate2corrobborate1corroboarte2corroboraet2corroboratte1
Edit distance from "corroborate"

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 "corroborate"?
"corroborate" is spelled C-O-R-R-O-B-O-R-A-T-E. The IPA pronunciation is /kəˈɹɒbəɹeɪ̯t/.
What does "corroborate" mean?
As a verb, "corroborate" means: To confirm or support something with additional evidence; to attest or vouch for.
What are common misspellings of "corroborate"?
Common misspellings include "ccorroborate", "coroborate", "cororborate", "corrboorate", "corrobborate". The correct spelling is "corroborate".
How do you pronounce "corroborate"?
The IPA (International Phonetic Alphabet) transcription for "corroborate" is /kəˈɹɒbəɹeɪ̯t/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "corroborate"?
First attested in the 1530s; borrowed from Latin corrōborātus (“strengthened”), perfect passive participle of corrōborō (“to support, corroborate”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from con- (“together”) + rōbo... 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 “corroborate”

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

  • The one correct English spelling is C-O-R-R-O-B-O-R-A-T-E - every other letter order is a misspelling in standard orthography.
  • Say it as /kəˈɹɒbəɹeɪ̯t/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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.

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

Source: FrequencyWords open word-frequency list