cassesvscaussesTell them apart

Which to use

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

#19,471
“casses” frequency rank
#48,974
“causses” frequency rank
68445
confusion score

Side-by-Side Comparison

Feature casses causses
Definition Pluriel de casse. Pluriel de causse.

Where the eye mixes casses and causses

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. casses runs 6 letters (CVCCVC) against causses's 7 (CVVCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
casses
7 ch
causses

Look-alike desk: casses vs causses

A purely visual mix-up. casses (\kas\) and causses (\kos\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 68445, derived from the frequency rank of both members and their visual similarity.

casses is recorded at frequency rank #19,471, classified as anoun, pronounced \kas\. causses is at rank #48,974, tagged as anoun, pronounced \kos\.

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 68445, this pair ranks #59,169 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of casses vs causses

Shared letters: aces. Private to "casses": -. Private to "causses": u.

"casses" · 6 letters · shape CVCCVC  ·  "causses" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • casses ← acsses · casess · cassess · cassse · ccasses · csases
  • causses ← acusses · casuses · causess · caussess · caussse · ccausses · cuasses

Frequently Asked Questions

Can "casses" and "causses" be used interchangeably?
No. They are said differently (\kas\ versus \kos\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "casses" vs "causses" - which ranks higher?
"casses" is the more common of the two: it sits at frequency rank #19,471 in our French list, against #48,974 for "causses". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "casses" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "causses" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #59,169 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "casses" and "causses" also get mixed up with nearby pairs, the highest-scored neighbour is "causses vs crosses". 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 #59,169 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