chasséevschâssisConfusable pair

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

Which to use

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

#34,929
“chassée” frequency rank
#11,189
“châssis” frequency rank
46118
confusion score

Side-by-Side Comparison

Feature chassée châssis
Definition Féminin singulier de chassé. Ouvrage composé de plusieurs pièces de menuiserie formant ordinairement des cadres où l’on met des vitres, de la toile ou des feuilles de papier huilé, etc.

Where the eye mixes chassée and châssis

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. chassée (CCVCCVV) and châssis (CCVCCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
chassée
7 ch
châssis

Look-alike desk: chassée vs châssis

These two trip readers on the page rather than in the ear: chassée is \ʃa.se\ while châssis is \ʃɑ.si\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 46118, derived from the frequency rank of both members and their visual similarity.

chassée is recorded at frequency rank #34,929, classified as anadj, pronounced \ʃa.se\. châssis is at rank #11,189, tagged as anoun, pronounced \ʃɑ.si\.

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 46118, this pair ranks #197,463 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chassée vs châssis

Shared letters: chs. Private to "chassée": aeé. Private to "châssis": iâ.

"chassée" · 7 letters · shape CCVCCVV  ·  "châssis" · 7 letters · shape CCVCCVC

Frequently Asked Questions

Is swapping "chassée" for "châssis" ever safe?
No - they are not even the same part of speech. "chassée" is an adjective and "châssis" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "chassée" or "châssis" show up more?
"châssis" is the more common of the two: it sits at frequency rank #11,189 in our French list, against #34,929 for "chassée". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "chassée" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "châssis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #197,463 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "chassée" and "châssis" also get mixed up with nearby pairs, the highest-scored neighbour is "chassée vs chassées". Nearby pair

Confusion rank #197,463 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