cassosvscaussesWhich spelling fits?

Quick tell: cassos is a intj, causses is a noun, so they fill different roles in a sentence.

Which to use

“cassos” is an intj and “causses” is a noun - they look or sound alike but fill different roles in a sentence.

#36,750
“cassos” frequency rank
#48,974
“causses” frequency rank
85724
confusion score

Side-by-Side Comparison

Feature cassos causses
Definition Je m’en vais (ou on s’en va), je me casse (ou on se casse) ; parfois utilisé dans le sens de « au revoir », « salut ». Pluriel de causse.

Where the eye mixes cassos and causses

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. cassos 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
cassos
7 ch
causses

Why the eye confuses cassos with causses

These two trip readers on the page rather than in the ear: cassos is \ka.sɔs\ while causses is \kos\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (intj vs noun), which is usually the fastest check. Our composite confusion score for this pair is 85724, derived from the frequency rank of both members and their visual similarity.

cassos is recorded at frequency rank #36,750, classified as anintj, pronounced \ka.sɔs\. 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 85724, this pair ranks #10,847 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cassos vs causses

Shared letters: acs. Private to "cassos": o. Private to "causses": eu.

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

Known mistypes of this pair

  • cassos ← acssos · casos · casoss · cassoss · cassso · ccassos · csasos
  • causses ← acusses · casuses · causess · caussess · caussse · ccausses · cuasses

Frequently Asked Questions

Can "cassos" and "causses" be used interchangeably?
No - they are not even the same part of speech. "cassos" is an intj and "causses" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cassos" or "causses"?
"cassos" is the more common of the two: it sits at frequency rank #36,750 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.

What to do next

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

  • Full dictionary entry for "cassos" 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 #10,847 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cassos" 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 #10,847 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