Which to use
“casas” is a verb and “casus” is a noun - they look or sound alike but fill different roles in a sentence.
- #41,694
- “casas” frequency rank
- #48,398
- “casus” frequency rank
- 90092
- confusion score
Side-by-Side Comparison
| Feature | casas | casus |
|---|---|---|
| Definition | Deuxième personne du singulier du passé simple du verbe caser. | Chute. |
Letter map: casas vs casus
Shared letters muted; letters that set casas and casus apart highlighted. Shared run: 4. casas and casus follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Part-of-speech tell for casas / casus
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: casas is averb and casusanoun. On the page they differ by a single letter - a in “casas” becomes u in “casus”. Our composite confusion score for this pair is 90092, derived from the frequency rank of both members and their visual similarity.
casas is recorded at frequency rank #41,694, 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 90092, this pair ranks #5,162 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of casas vs casus
Shared letters: acs. Private to "casas": -. Private to "casus": u.
"casas" · 5 letters · shape CVCVC · "casus" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "casas" and "casus" be used interchangeably?
Frequency check: "casas" vs "casus" - which ranks higher?
What to do next
Pair "casas" vs "casus" is on the table, pick a follow-up below.
- Full dictionary entry for "casas" 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 #5,162 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "casas" 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 #5,162 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.