déçoisvsdécousuWhat's the difference?

Quick tell: déçois is a verb, décousu is an adjective, so they fill different roles in a sentence.

Which to use

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

#30,584
“déçois” frequency rank
#48,460
“décousu” frequency rank
79044
confusion score

Side-by-Side Comparison

Feature déçois décousu
Definition Première personne du singulier de l’indicatif présent de décevoir. Caractérise des propos sans suite, un style qui n’a pas de liaison, des événements non reliés entre eux.

Where the eye mixes déçois and décousu

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. déçois runs 6 letters (CVCVVC) against décousu's 7 (CVCVVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
déçois
7 ch
décousu

Why the eye confuses déçois with décousu

These two trip readers on the page rather than in the ear: déçois is \de.swa\ while décousu is \de.ku.zy\. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 79044, derived from the frequency rank of both members and their visual similarity.

déçois is recorded at frequency rank #30,584, classified as averb, pronounced \de.swa\. décousu is at rank #48,460, tagged as anadj, pronounced \de.ku.zy\.

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 79044, this pair ranks #24,187 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of déçois vs décousu

Shared letters: dosé. Private to "déçois": . Private to "décousu": cu.

"déçois" · 6 letters · shape CVCVVC  ·  "décousu" · 7 letters · shape CVCVVCV

Frequently Asked Questions

Is swapping "déçois" for "décousu" ever safe?
No - they are not even the same part of speech. "déçois" is a verb and "décousu" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "déçois" or "décousu" show up more?
"déçois" is the more common of the two: it sits at frequency rank #30,584 in our French list, against #48,460 for "décousu". 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 "déçois" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "décousu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,187 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "déçois" and "décousu" also get mixed up with nearby pairs, the highest-scored neighbour is "déchus vs décousu". Nearby pair

Confusion rank #24,187 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