folievsfouleTell them apart

Which to use

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

#3,197
“folie” frequency rank
#2,616
“foule” frequency rank
5813
confusion score

Side-by-Side Comparison

Feature folie foule
Definition Dérangement de l’esprit, accès de folie. Action de fouler les draps. On dit plutôt foulage de nos jours.

Where the eye mixes folie and foule

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
folie
5 ch
foule

Why the eye confuses folie with foule

A purely visual mix-up. folie (\fɔ.li\) and foule (\ful\) 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 5813, derived from the frequency rank of both members and their visual similarity.

folie is recorded at frequency rank #3,197, classified as anoun, pronounced \fɔ.li\. foule is at rank #2,616, tagged as anoun, pronounced \ful\.

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 5813, this pair ranks #428,006 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of folie vs foule

Shared letters: eflo. Private to "folie": i. Private to "foule": u.

"folie" · 5 letters · shape CVCVV  ·  "foule" · 5 letters · shape CVVCV

Known mistypes of this pair

  • folieffolie · floie · foile · folei · follie · oflie
  • fouleffoule · folue · fouel · foulle · fuole · ofule

Frequently Asked Questions

Do "folie" and "foule" mean the same thing in a sentence?
No. They are said differently (\fɔ.li\ versus \ful\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "folie" or "foule"?
"foule" is the more common of the two: it sits at frequency rank #2,616 in our French list, against #3,197 for "folie". 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 "folie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foule" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #428,006 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "folie" and "foule" also get mixed up with nearby pairs, the highest-scored neighbour is "foies vs folie". 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 #428,006 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