Which to use
“casus” is a noun and “crus” is an adjective - they look or sound alike but fill different roles in a sentence.
- #48,398
- “casus” frequency rank
- #11,557
- “crus” frequency rank
- 59955
- confusion score
Side-by-Side Comparison
| Feature | casus | crus |
|---|---|---|
| Definition | Chute. | Masculin pluriel de cru. |
Letter map: casus vs crus
Shared letters muted; letters that set casus and crus apart highlighted. Shared run: 3. casus runs 5 letters (CVCVC) against crus's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - casus and crus
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: casus is anoun and crusanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59955, derived from the frequency rank of both members and their visual similarity.
casus is recorded at frequency rank #48,398, classified as anoun. crus is at rank #11,557, tagged as anadj, pronounced \kʁy\.
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 59955, this pair ranks #100,239 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of casus vs crus
Shared letters: csu. Private to "casus": a. Private to "crus": r.
"casus" · 5 letters · shape CVCVC · "crus" · 4 letters · shape CCVC
Known mistypes of this pair
Frequently Asked Questions
Do "casus" and "crus" mean the same thing in a sentence?
Frequency check: "casus" vs "crus" - which ranks higher?
After this comparison
Pair "casus" vs "crus" is on the table, pick a follow-up below.
- Full dictionary entry for "casus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "crus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #100,239 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "casus" and "crus" also get mixed up with nearby pairs, the highest-scored neighbour is "cakes vs casus". 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 #100,239 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.