défaitsvsdéfautWhich spelling fits?

Quick tell: défaits is a adjective, défaut is a noun, so they fill different roles in a sentence.

Which to use

“défaits” is an adjective and “défaut” is a noun - they look or sound alike but fill different roles in a sentence.

#32,789
“défaits” frequency rank
#1,950
“défaut” frequency rank
34739
confusion score

Side-by-Side Comparison

Feature défaits défaut
Definition Masculin pluriel de défait. Imperfection physique.

Where the eye mixes défaits and défaut

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. défaits runs 7 letters (CVCVVCC) against défaut's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
défaits
6 ch
défaut

Visual trap between défaits and défaut

These two trip readers on the page rather than in the ear: défaits is \de.fɛ\ while défaut is \de.fo\. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 34739, derived from the frequency rank of both members and their visual similarity.

défaits is recorded at frequency rank #32,789, classified as anadj, pronounced \de.fɛ\. défaut is at rank #1,950, tagged as anoun, pronounced \de.fo\.

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 34739, this pair ranks #281,732 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of défaits vs défaut

Shared letters: adfté. Private to "défaits": is. Private to "défaut": u.

"défaits" · 7 letters · shape CVCVVCC  ·  "défaut" · 6 letters · shape CVCVVC

Frequently Asked Questions

Is swapping "défaits" for "défaut" ever safe?
No - they are not even the same part of speech. "défaits" is an adjective and "défaut" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "défaits" vs "défaut" - which ranks higher?
"défaut" is the more common of the two: it sits at frequency rank #1,950 in our French list, against #32,789 for "défaits". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "défaits" and "défaut" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "défaits" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "défaut" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #281,732 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "défaits" and "défaut" also get mixed up with nearby pairs, the highest-scored neighbour is "défaits vs desdits". Nearby pair

Confusion rank #281,732 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