casvsCIFWhich spelling fits?

Which to use

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

#157
“cas” frequency rank
#47,228
“CIF” frequency rank
47385
confusion score

Side-by-Side Comparison

Feature cas CIF
Definition Accident, aventure, conjoncture, occasion ; fait arrivé, ou qui peut arriver. Congé individuel de formation.

Letter map: cas vs CIF

Shared letters muted; letters that set cas and CIF apart highlighted. Shared run: 1.

3 ch
cas
3 ch
CIF

Corpus notes: cas and CIF

cas and CIF 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 2 positions. Our composite confusion score for this pair is 47385, derived from the frequency rank of both members and their visual similarity.

cas is recorded at frequency rank #157, classified as anoun, pronounced \kɑ\. CIF is at rank #47,228, 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 47385, this pair ranks #187,403 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cas vs CIF

Shared letters: c. Private to "cas": as. Private to "CIF": fi.

"cas" · 3 letters · shape CVC  ·  "CIF" · 3 letters · shape CVC

Frequently Asked Questions

Can "cas" and "CIF" be used interchangeably?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "cas" vs "CIF" - which ranks higher?
"cas" is the more common of the two: it sits at frequency rank #157 in our French list, against #47,228 for "CIF". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "cas" vs "CIF" is on the table, pick a follow-up below.

  • Full dictionary entry for "cas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CIF" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #187,403 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cas" and "CIF" also get mixed up with nearby pairs, the highest-scored neighbour is "CIF vs ciro". Nearby pair

Confusion rank #187,403 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