casusvscauseConfusable pair

Which to use

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

#48,398
“casus” frequency rank
#332
“cause” frequency rank
48730
confusion score

Side-by-Side Comparison

Feature casus cause
Definition Chute. Ce qui fait qu’une chose est ou s’opère.

Letter map: casus vs cause

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

5 ch
casus
5 ch
cause

Corpus notes: casus and cause

casus and cause 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 share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 48730, derived from the frequency rank of both members and their visual similarity.

casus is recorded at frequency rank #48,398, classified as anoun. cause is at rank #332, tagged as anoun, pronounced \koz\.

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 48730, this pair ranks #176,489 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of casus vs cause

Shared letters: acsu. Private to "casus": -. Private to "cause": e.

"casus" · 5 letters · shape CVCVC  ·  "cause" · 5 letters · shape CVVCV

Known mistypes of this pair

  • casusacsus · cassu · cassus · casuss · causs · ccasus · csaus
  • causeacuse · casue · caues · ccause · cuase

Frequently Asked Questions

Do "casus" and "cause" mean the same thing in a sentence?
No. They share most of their letters but differ in 3 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary French text, does "casus" or "cause" show up more?
"cause" is the more common of the two: it sits at frequency rank #332 in our French list, against #48,398 for "casus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "casus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cause" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #176,489 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "casus" and "cause" 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 #176,489 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