couteauxvscoûteuxTell them apart

Quick tell: couteaux is a noun, coûteux is an adjective, so they fill different roles in a sentence.

Which to use

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

#9,810
“couteaux” frequency rank
#9,460
“coûteux” frequency rank
19270
confusion score

Side-by-Side Comparison

Feature couteaux coûteux
Definition Pluriel de couteau. Qui coûte cher.

Where the eye mixes couteaux and coûteux

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. couteaux runs 8 letters (CVVCVVVC) against coûteux's 7 (CVVCVVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
couteaux
7 ch
coûteux

Visual trap between couteaux and coûteux

These two trip readers on the page rather than in the ear: couteaux is \ku.to\ while coûteux is \ku.tø\. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 19270, derived from the frequency rank of both members and their visual similarity.

couteaux is recorded at frequency rank #9,810, classified as anoun, pronounced \ku.to\. coûteux is at rank #9,460, tagged as anadj, pronounced \ku.tø\.

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 19270, this pair ranks #374,083 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of couteaux vs coûteux

Shared letters: ceotux. Private to "couteaux": a. Private to "coûteux": û.

"couteaux" · 8 letters · shape CVVCVVVC  ·  "coûteux" · 7 letters · shape CVVCVVC

Known mistypes of this pair

  • couteaux ← ccouteaux · cotueaux · couetaux · coutaeux · couteauxx · couteaxu · couteuax · coutteaux

Frequently Asked Questions

Do "couteaux" and "coûteux" mean the same thing in a sentence?
No - they are not even the same part of speech. "couteaux" is a noun and "coûteux" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "couteaux" or "coûteux" show up more?
"coûteux" is the more common of the two: it sits at frequency rank #9,460 in our French list, against #9,810 for "couteaux". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "couteaux" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "coûteux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #374,083 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "couteaux" and "coûteux" also get mixed up with nearby pairs, the highest-scored neighbour is "Cousteau vs couteaux". 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 #374,083 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