casevscrasseWhich spelling fits?

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

Which to use

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

#4,916
“case” frequency rank
#20,106
“crasse” frequency rank
25022
confusion score

Side-by-Side Comparison

Feature case crasse
Definition Petite habitation traditionnelle, sous les tropiques. Qui est épais.

Where the eye mixes case and crasse

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
case
6 ch
crasse

Why the eye confuses case with crasse

These two trip readers on the page rather than in the ear: case is \kaz\ while crasse is \kʁas\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 25022, derived from the frequency rank of both members and their visual similarity.

case is recorded at frequency rank #4,916, classified as anoun, pronounced \kaz\. crasse is at rank #20,106, tagged as anadj, pronounced \kʁas\.

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 25022, this pair ranks #343,231 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of case vs crasse

Shared letters: aces. Private to "case": -. Private to "crasse": r.

"case" · 4 letters · shape CVCV  ·  "crasse" · 6 letters · shape CCVCCV

Known mistypes of this pair

  • caseacse · caes · ccase · csae
  • crassecarsse · ccrasse · crase · crases · crrasse · crsase · rcasse

Frequently Asked Questions

Can "case" and "crasse" be used interchangeably?
No - they are not even the same part of speech. "case" is a noun and "crasse" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "case" or "crasse"?
"case" is the more common of the two: it sits at frequency rank #4,916 in our French list, against #20,106 for "crasse". 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 "case" and "crasse" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "case" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "crasse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #343,231 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "case" and "crasse" also get mixed up with nearby pairs, the highest-scored neighbour is "crasse vs cuirasse". 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 #343,231 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