foirervsfoulerWhich spelling fits?

Which to use

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

#25,319
“foirer” frequency rank
#29,779
“fouler” frequency rank
55098
confusion score

Side-by-Side Comparison

Feature foirer fouler
Definition Avoir la diarrhée, évacuer des excréments liquides. Presser quelque chose qui cède, avec les pieds, les mains ou à l’aide d’un mécanisme.

Where the eye mixes foirer and fouler

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. foirer and fouler follow the identical consonant-vowel pattern (CVVCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
foirer
6 ch
fouler

Visual trap between foirer and fouler

A purely visual mix-up. foirer (\fwa.ʁe\) and fouler (\fu.le\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 55098, derived from the frequency rank of both members and their visual similarity.

foirer is recorded at frequency rank #25,319, classified as averb, pronounced \fwa.ʁe\. fouler is at rank #29,779, tagged as averb, pronounced \fu.le\.

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 55098, this pair ranks #129,698 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of foirer vs fouler

Shared letters: efor. Private to "foirer": i. Private to "fouler": lu.

"foirer" · 6 letters · shape CVVCVC  ·  "fouler" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • foirer ← ffoirer · fiorer · foierr · foirerr · foirrer · forier · ofirer
  • fouler ← ffouler · foluer · fouelr · foulerr · fouller · foulre · fuoler · ofuler

Frequently Asked Questions

Is swapping "foirer" for "fouler" ever safe?
No. They are said differently (\fwa.ʁe\ versus \fu.le\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "foirer" vs "fouler" - which ranks higher?
"foirer" is the more common of the two: it sits at frequency rank #25,319 in our French list, against #29,779 for "fouler". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "foirer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fouler" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #129,698 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "foirer" and "fouler" also get mixed up with nearby pairs, the highest-scored neighbour is "fouiner vs fouler". 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 #129,698 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