cassisvscasusWhat's the difference?

Which to use

“cassis” and “casus” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#25,242
“cassis” frequency rank
#48,398
“casus” frequency rank
73640
confusion score

Side-by-Side Comparison

Feature cassis casus
Definition Arbrisseau produisant le fruit du même nom, de nom scientifique Ribes nigrum. Chute.

Letter map: cassis vs casus

Shared letters muted; letters that set cassis and casus apart highlighted. Shared run: 4.

6 ch
cassis
5 ch
casus

Corpus notes: cassis and casus

cassis and casus are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 73640, derived from the frequency rank of both members and their visual similarity.

cassis is recorded at frequency rank #25,242, classified as anoun, pronounced \ka.sis\. 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 73640, this pair ranks #39,766 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cassis vs casus

Shared letters: acs. Private to "cassis": i. Private to "casus": u.

"cassis" · 6 letters · shape CVCCVC  ·  "casus" · 5 letters · shape CVCVC

Known mistypes of this pair

  • cassisacssis · casis · casiss · cassiss · casssi · ccassis · csasis
  • casusacsus · cassu · cassus · casuss · causs · ccasus · csaus

Frequently Asked Questions

Is swapping "cassis" for "casus" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "cassis" vs "casus" - which ranks higher?
"cassis" is the more common of the two: it sits at frequency rank #25,242 in our French list, against #48,398 for "casus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "cassis" and "casus". Here's where to go from here.

  • Full dictionary entry for "cassis" 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 #39,766 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cassis" 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 #39,766 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list