Which to use
“couleur” is a noun and “coûteux” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,023
- “couleur” frequency rank
- #9,460
- “coûteux” frequency rank
- 10483
- confusion score
Side-by-Side Comparison
| Feature | couleur | coûteux |
|---|---|---|
| Definition | Caractéristique visuelle de la lumière visible donnée par la distribution de ses longueurs d’onde. | Qui coûte cher. |
Where the eye mixes couleur and coûteux
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. couleur and coûteux follow the identical consonant-vowel pattern (CVVCVVC). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between couleur and coûteux
These two trip readers on the page rather than in the ear: couleur is \ku.lœʁ\ while coûteux is \ku.tø\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 10483, derived from the frequency rank of both members and their visual similarity.
couleur is recorded at frequency rank #1,023, classified as anoun, pronounced \ku.lœʁ\. 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 10483, this pair ranks #412,822 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of couleur vs coûteux
Shared letters: ceou. Private to "couleur": lr. Private to "coûteux": txû.
"couleur" · 7 letters · shape CVVCVVC · "coûteux" · 7 letters · shape CVVCVVC
Known mistypes of this pair
- couleur ← ccouleur · colueur · couelur · couleru · couleurr · coulleur · couluer · cuoleur
Frequently Asked Questions
Is swapping "couleur" for "coûteux" ever safe?
Frequency check: "couleur" vs "coûteux" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "couleur" 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 #412,822 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "couleur" and "coûteux" also get mixed up with nearby pairs, the highest-scored neighbour is "coauteur vs coûteux". 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 #412,822 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.