cassisvsCassiusTell them apart

Quick tell: cassis is a noun, Cassius is an adjective, so they fill different roles in a sentence.

Which to use

“cassis” is a noun and “Cassius” is an adjective - they look or sound alike but fill different roles in a sentence.

#25,242
“cassis” frequency rank
#30,934
“Cassius” frequency rank
56176
confusion score

Side-by-Side Comparison

Feature cassis Cassius
Definition Arbrisseau produisant le fruit du même nom, de nom scientifique Ribes nigrum. Qualifie une montagne de la Bétique.

Letter map: cassis vs Cassius

Shared letters muted; letters that set cassis and Cassius apart highlighted. Shared run: 6.

6 ch
cassis
7 ch
Cassius

Grammar separator: cassis vs Cassius

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cassis is anoun and Cassiusanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56176, 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\. Cassius is at rank #30,934, tagged as anadj.

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 56176, this pair ranks #122,741 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cassis vs Cassius

Shared letters: acis. Private to "cassis": -. Private to "Cassius": u.

"cassis" · 6 letters · shape CVCCVC  ·  "Cassius" · 7 letters · shape CVCCVVC

Known mistypes of this pair

  • cassisacssis · casis · casiss · cassiss · casssi · ccassis · csasis
  • Cassiusacssius · casisus · casius · cassisu · cassiuss · cassuis · ccassius · csasius

Frequently Asked Questions

Can "cassis" and "Cassius" be used interchangeably?
No - they are not even the same part of speech. "cassis" is a noun and "Cassius" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cassis" or "Cassius"?
"cassis" is the more common of the two: it sits at frequency rank #25,242 in our French list, against #30,934 for "Cassius". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "cassis" vs "Cassius" is on the table, pick a follow-up below.

  • Full dictionary entry for "cassis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Cassius" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #122,741 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cassis" and "Cassius" also get mixed up with nearby pairs, the highest-scored neighbour is "casseur vs Cassius". 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 #122,741 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