Which to use
“casa” is a verb and “casus” is a noun - they look or sound alike but fill different roles in a sentence.
- #11,535
- “casa” frequency rank
- #48,398
- “casus” frequency rank
- 59933
- confusion score
Side-by-Side Comparison
| Feature | casa | casus |
|---|---|---|
| Definition | Troisième personne du singulier du passé simple de caser. | Chute. |
Letter map: casa vs casus
Shared letters muted; letters that set casa and casus apart highlighted. Shared run: 3.
Grammar separator: casa vs casus
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: casa is averb and casusanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59933, derived from the frequency rank of both members and their visual similarity.
casa is recorded at frequency rank #11,535, classified as averb, pronounced \ka.za\. casus is at rank #48,398, tagged as anoun.
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 59933, this pair ranks #100,379 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of casa vs casus
Shared letters: acs. Private to "casa": -. Private to "casus": u.
"casa" · 4 letters · shape CVCV · "casus" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "casa" for "casus" ever safe?
Frequency check: "casa" vs "casus" - which ranks higher?
After this comparison
You've compared "casa" and "casus". Here's where to go from here.
- Full dictionary entry for "casa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "casus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #100,379 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "casa" and "casus" 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 #100,379 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.