affirmevsaffirmerWhich spelling fits?

Which to use

“affirme” and “affirmer” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,753
“affirme” frequency rank
#4,462
“affirmer” frequency rank
7215
confusion score

Side-by-Side Comparison

Feature affirme affirmer
Definition Première personne du singulier de l’indicatif présent du verbe affirmer. Assurer, soutenir qu’une chose est vraie.

Where the eye mixes affirme and affirmer

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. affirme runs 7 letters (VCCVCCV) against affirmer's 8 (VCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
affirme
8 ch
affirmer

Look-alike desk: affirme vs affirmer

A purely visual mix-up. affirme (\a.fiʁm\) and affirmer (\a.fiʁ.me\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “affirme” sits inside “affirmer”. Our composite confusion score for this pair is 7215, derived from the frequency rank of both members and their visual similarity.

affirme is recorded at frequency rank #2,753, classified as averb, pronounced \a.fiʁm\. affirmer is at rank #4,462, tagged as averb, pronounced \a.fiʁ.me\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 7215, this pair ranks #423,831 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of affirme vs affirmer

Shared letters: aefimr. Private to "affirme": -. Private to "affirmer": -.

"affirme" · 7 letters · shape VCCVCCV  ·  "affirmer" · 8 letters · shape VCCVCCVC

Known mistypes of this pair

  • affirmeaffimre · affirem · affirmme · affirrme · affrime · afifrme · afirme · fafirme
  • affirmeraffimrer · affiremr · affirmerr · affirmmer · affirmre · affirrmer · affrimer · afifrmer

Frequently Asked Questions

Can "affirme" and "affirmer" be used interchangeably?
No. They are said differently (\a.fiʁm\ versus \a.fiʁ.me\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "affirme" vs "affirmer" - which ranks higher?
"affirme" is the more common of the two: it sits at frequency rank #2,753 in our French list, against #4,462 for "affirmer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "affirme" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "affirmer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #423,831 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "affirme" and "affirmer" also get mixed up with nearby pairs, the highest-scored neighbour is "affilé vs affirme". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #423,831 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list