Which to use
“casus” is a noun and “causa” is a verb - they look or sound alike but fill different roles in a sentence.
- #48,398
- “casus” frequency rank
- #20,078
- “causa” frequency rank
- 68476
- confusion score
Side-by-Side Comparison
| Feature | casus | causa |
|---|---|---|
| Definition | Chute. | Troisième personne du singulier du passé simple de causer. |
Letter map: casus vs causa
Shared letters muted; letters that set casus and causa apart highlighted. Shared run: 4. casus (CVCVC) and causa (CVVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Role in the sentence - casus and causa
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: casus is anoun and causaaverb. On the page they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 68476, derived from the frequency rank of both members and their visual similarity.
casus is recorded at frequency rank #48,398, classified as anoun. causa is at rank #20,078, tagged as averb, pronounced \ko.za\.
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 68476, this pair ranks #59,051 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of casus vs causa
Shared letters: acsu. Private to "casus": -. Private to "causa": -.
"casus" · 5 letters · shape CVCVC · "causa" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "casus" for "causa" ever safe?
Frequency check: "casus" vs "causa" - which ranks higher?
What to do next
You've compared "casus" and "causa". Here's where to go from here.
- Full dictionary entry for "casus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "causa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #59,051 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "casus" and "causa" 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 #59,051 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.