enfuivsennuiWhat's the difference?

Quick tell: enfui is a verb, ennui is a noun, so they fill different roles in a sentence.

Which to use

“enfui” is a verb and “ennui” is a noun - they look or sound alike but fill different roles in a sentence.

#26,717
“enfui” frequency rank
#7,686
“ennui” frequency rank
34403
confusion score

Side-by-Side Comparison

Feature enfui ennui
Definition Participe passé masculin singulier de enfuir. Lassitude, langueur temporaire causée par une occupation dépourvue d’intérêt, monotone, déplaisante ou trop prolongée, ou par le désœuvrement.

Where the eye mixes enfui and ennui

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

5 ch
enfui
5 ch
ennui

Visual trap between enfui and ennui

These two trip readers on the page rather than in the ear: enfui is \ɑ̃.fɥi\ while ennui is \ɑ̃.nɥi\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - f in “enfui” becomes n in “ennui”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 34403, derived from the frequency rank of both members and their visual similarity.

enfui is recorded at frequency rank #26,717, classified as averb, pronounced \ɑ̃.fɥi\. ennui is at rank #7,686, tagged as anoun, pronounced \ɑ̃.nɥi\.

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 34403, this pair ranks #284,074 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of enfui vs ennui

Shared letters: einu. Private to "enfui": f. Private to "ennui": -.

"enfui" · 5 letters · shape VCCVV  ·  "ennui" · 5 letters · shape VCCVV

Known mistypes of this pair

  • enfuiefnui · enffui · enfiu · ennfui · enufi · nefui
  • ennuienniu · enui · enuni · nenui

Frequently Asked Questions

Can "enfui" and "ennui" be used interchangeably?
No - they are not even the same part of speech. "enfui" is a verb and "ennui" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "enfui" vs "ennui" - which ranks higher?
"ennui" is the more common of the two: it sits at frequency rank #7,686 in our French list, against #26,717 for "enfui". 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 "enfui" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ennui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #284,074 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "enfui" and "ennui" also get mixed up with nearby pairs, the highest-scored neighbour is "enflé vs enfui". 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 #284,074 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