fiervsfleConfusable pair

Quick tell: fier is a adjective, fle is a verb, so they fill different roles in a sentence.

Which to use

“fier” is an adjective and “fle” is a verb - they look or sound alike but fill different roles in a sentence.

#2,365
“fier” frequency rank
#39,300
“fle” frequency rank
41665
confusion score

Side-by-Side Comparison

Feature fier fle
Definition Qui éprouve une envie d’amour-propre souvent fondée. Dormir.

Where the eye mixes fier and fle

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
fier
3 ch
fle

Visual trap between fier and fle

These two trip readers on the page rather than in the ear: fier is \fjɛʁ\ while fle is \ˈfle\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 41665, derived from the frequency rank of both members and their visual similarity.

fier is recorded at frequency rank #2,365, classified as anadj, pronounced \fjɛʁ\. fle is at rank #39,300, tagged as averb, pronounced \ˈfle\.

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 41665, this pair ranks #231,395 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fier vs fle

Shared letters: ef. Private to "fier": ir. Private to "fle": l.

"fier" · 4 letters · shape CVVC  ·  "fle" · 3 letters · shape CCV

Known mistypes of this pair

  • fierfeir · ffier · fierr · ifer

Frequently Asked Questions

Can "fier" and "fle" be used interchangeably?
No - they are not even the same part of speech. "fier" is an adjective and "fle" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fier" or "fle"?
"fier" is the more common of the two: it sits at frequency rank #2,365 in our French list, against #39,300 for "fle". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "fier" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fle" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #231,395 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fier" and "fle" also get mixed up with nearby pairs, the highest-scored neighbour is "filez vs fle". 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 #231,395 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