formulervsfoulerWhich spelling fits?

Which to use

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

#12,786
“formuler” frequency rank
#29,779
“fouler” frequency rank
42565
confusion score

Side-by-Side Comparison

Feature formuler fouler
Definition Mettre en formule. Presser quelque chose qui cède, avec les pieds, les mains ou à l’aide d’un mécanisme.

Where the eye mixes formuler and fouler

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
formuler
6 ch
fouler

Why the eye confuses formuler with fouler

A purely visual mix-up. formuler (\fɔʁ.my.le\) 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 differ by 2 letter(s) in length. Our composite confusion score for this pair is 42565, derived from the frequency rank of both members and their visual similarity.

formuler is recorded at frequency rank #12,786, classified as averb, pronounced \fɔʁ.my.le\. 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 42565, this pair ranks #224,639 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of formuler vs fouler

Shared letters: efloru. Private to "formuler": m. Private to "fouler": -.

"formuler" · 8 letters · shape CVCCVCVC  ·  "fouler" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • formulerfformuler · fomruler · formluer · formmuler · formuelr · formulerr · formuller · formulre
  • foulerffouler · foluer · fouelr · foulerr · fouller · foulre · fuoler · ofuler

Frequently Asked Questions

Can "formuler" and "fouler" be used interchangeably?
No. They are said differently (\fɔʁ.my.le\ versus \fu.le\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "formuler" or "fouler"?
"formuler" is the more common of the two: it sits at frequency rank #12,786 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.

After this comparison

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

  • Full dictionary entry for "formuler" 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 #224,639 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "formuler" 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 #224,639 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