confirm

/kənˈfɜːm/

//kənˈfɜːm// verb

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

"confirm" is a 7-letter English headword indexed on PlainSpell.

The verdict

“confirm” has 11 generated spelling variants in the English index at frequency #3,609. The variants make it a useful spelling check.

#3,609
frequency rank, English
5,599
“C” headwords
11
tracked misspellings
6
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To strengthen; to make firm or resolute.

Corpus desk

Index EN-confirm · confirm · English

confirm · rank #3,609 · 11 variants · 6 confusables

  • FREQ-COMMON #3,609
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-MID 6 pairs
  • VAR-MID 11 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH conclusion

Nearest frequency peer: conclusion (-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 “confirm”

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

corpus weight

What this shows “confirm” 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

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

confirm vs conform
86% similar
confirm vs confirmed
78% similar
confirm vs confer
71% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for confirm
PropertyValue
Headwordconfirm
LanguageEnglish
Part of speechVerb
IPA/kənˈfɜːm/
Letters7
Frequency rank#3,609
Misspellings tracked11
Confusable pairs6
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “confirm”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).confirmlands 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 “conclusion” (#3,608), “congratulations” (#3,610), “Columbia” (#3,607). Among 5,599 “C” headwords, “confirm” is #3,609. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 11 spelling variants around confirm (IPA /kənˈfɜːm/), averb. Corpus frequency is #3,609 among 5,599 “C” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 11 likely wrong-spelling variants for confirm, with forms such as "cconfirm", "cnofirm", and "cofnirm". 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. It also participates in 6 confusable-pair relationships, "conform", "confirmed", "confer", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English confirmen, confermen, from Old French confermer, from Latin cōnfirmāre (“to make firm, strengthen, establish”), from con- (“together”) + firmāre (“to make firm”), from firmus (“firm”). The correct English form is confirm, spelled C-O-N-F-I-R-M.

Definition

  1. 1
    To strengthen; to make firm or resolute.
  2. 2
    To administer the sacrament of confirmation on (someone).
  3. 3
    To assure the accuracy of previous statements.
  4. 4
    To approve a proposal or nomination.

Recorded use

Wiktionary examples

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

  1. She pulled through with the boy till he was confirmed; but then she told him that she could not feed him any longer; he would have to go out and earn his own bread.
  2. Elizabeth, daughter of Henry VIII, was baptized and confirmed at the age of three days.

Etymology

From Middle English confirmen, confermen, from Old French confermer, from Latin cōnfirmāre (“to make firm, strengthen, establish”), from con- (“together”) + firmāre (“to make firm”), from firmus (“firm”).

Antonyms

infirmdisconfirmdenydisputecontradictquestion

This word in other languages

confirmar(Español)confirmer(Français)bestätigen(Deutsch)firmar(Português)

Common misspellings

Also misspelled as:

  • cconfirm
  • cnofirm
  • cofnirm
  • conffirm
  • confimr
  • confirmm
  • confirrm
  • confrim
  • conifrm
  • connfirm
  • ocnfirm

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of confirm - 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.

cconfirm1cnofirm2cofnirm2conffirm1confimr2confirmm1confirrm1confrim2
Edit distance from "confirm"

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 "confirm"?
"confirm" is spelled C-O-N-F-I-R-M. The IPA pronunciation is /kənˈfɜːm/.
What does "confirm" mean?
As a verb, "confirm" means: To strengthen; to make firm or resolute.
What words are commonly confused with "confirm"?
"confirm" is commonly confused with "conform", "confirmed", "confer". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "confirm"?
The IPA (International Phonetic Alphabet) transcription for "confirm" is /kənˈfɜːm/. 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 "confirm"?
From Middle English confirmen, confermen, from Old French confermer, from Latin cōnfirmāre (“to make firm, strengthen, establish”), from con- (“together”) + firmāre (“to make firm”), from firmus (“firm”). 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 "confirm", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

crystal#3,614decline#3,617enemies#3,623whereas#3,593

Similar misspelling depth

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

Columbia11 variantsacquired11 variantslanding11 variantsopinions11 variants

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

Source: FrequencyWords open word-frequency list