castesvscasusConfusable pair

Which to use

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

#31,394
“castes” frequency rank
#48,398
“casus” frequency rank
79792
confusion score

Side-by-Side Comparison

Feature castes casus
Definition Pluriel de caste. Chute.

Letter map: castes vs casus

Shared letters muted; letters that set castes and casus apart highlighted. Shared run: 4. castes runs 6 letters (CVCCVC) against casus's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
castes
5 ch
casus

Spelling & dictionary notes on castes vs casus

castes 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 79792, derived from the frequency rank of both members and their visual similarity.

castes is recorded at frequency rank #31,394, classified as anoun, pronounced \kast\. 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 79792, this pair ranks #22,487 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of castes vs casus

Shared letters: acs. Private to "castes": et. Private to "casus": u.

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

Known mistypes of this pair

  • castes ← acstes · casets · casstes · castess · castse · casttes · catses · ccastes
  • casus ← acsus · cassu · cassus · casuss · causs · ccasus · csaus

Frequently Asked Questions

Do "castes" and "casus" mean the same thing in a sentence?
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.
Which is more common, "castes" or "casus"?
"castes" is the more common of the two: it sits at frequency rank #31,394 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.

After this comparison

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

  • Full dictionary entry for "castes" 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 #22,487 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "castes" 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 #22,487 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