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
5,599
“C” headwords
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To confirm or support something with additional evidence; to attest or vouch for.

Corpus desk

Index EN-corroborate · corroborate · English

corroborate · rank #31,937 · 14 variants · 0 confusables

  • FREQ-MID #31,937
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 14 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH copycat

Nearest frequency peer: copycat (-1 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 “corroborate”

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

corpus weight

What this shows “corroborate” 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 corroborate
PropertyValue
Headwordcorroborate
LanguageEnglish
Part of speechVerb
IPA/kəˈɹɒbəɹeɪ̯t/
Letters11
Frequency rank#31,937
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “corroborate”

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).corroboratelands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “copycat” (#31,936), “coulda” (#31,939), “constructor” (#31,934). Among 5,599 “C” headwords, “corroborate” is #31,937. 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 5,599 “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.

Recorded use

Wiktionary examples

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

  1. The concurrence of all […]corroborates the same truth.
  2. As any limb well and duly exercised, grows stronger, the nerves of the body are corroborated thereby.

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.

Similar English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

constructor#31,934concealment#31,928delinquency#31,950denominated#31,951

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

combatant14 variantscategorize14 variantscatechism14 variantsexacerbate14 variants

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

Source: FrequencyWords open word-frequency list