Which to use
“caser” is a verb and “casus” is a noun - they look or sound alike but fill different roles in a sentence.
- #22,196
- “caser” frequency rank
- #48,398
- “casus” frequency rank
- 70594
- confusion score
Side-by-Side Comparison
| Feature | caser | casus |
|---|---|---|
| Definition | Mettre dans une case. | Chute. |
Letter map: caser vs casus
Shared letters muted; letters that set caser and casus apart highlighted. Shared run: 3.
Role in the sentence - caser and casus
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: caser is averb and casusanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 70594, derived from the frequency rank of both members and their visual similarity.
caser is recorded at frequency rank #22,196, classified as averb, pronounced \kɑ.ze\. 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 70594, this pair ranks #50,761 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of caser vs casus
Shared letters: acs. Private to "caser": er. Private to "casus": u.
"caser" · 5 letters · shape CVCVC · "casus" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "caser" for "casus" ever safe?
Which is more common, "caser" or "casus"?
What to do next
You've compared "caser" and "casus". Here's where to go from here.
- Full dictionary entry for "caser" 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 #50,761 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "caser" 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 #50,761 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.