casvsCHWhat's the difference?

Quick tell: cas is a noun, CH is a symbol, so they fill different roles in a sentence.

Which to use

“cas” is a noun and “CH” is a symbol - they look or sound alike but fill different roles in a sentence.

#157
“cas” frequency rank
#3,389
“CH” frequency rank
3546
confusion score

Side-by-Side Comparison

Feature cas CH
Definition Accident, aventure, conjoncture, occasion ; fait arrivé, ou qui peut arriver. Signe distinctif en trafic international des véhicules automobiles immatriculés en Suisse, prescrit dans le cadre de la Convention sur la circulation routière de Genève de 1949 et de la Convention sur la signalisation routière de Vienne de 1968.

Where the eye mixes cas and CH

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
cas
2 ch
CH

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: cas is \kɑ\ while CH is voir ces lettres. En français, cela donne. 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 (noun vs symbol), which is usually the fastest check. Our composite confusion score for this pair is 3546, derived from the frequency rank of both members and their visual similarity.

cas is recorded at frequency rank #157, classified as anoun, pronounced \kɑ\. CH is at rank #3,389, tagged as asymbol, pronounced voir ces lettres. En français, cela donne.

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 3546, this pair ranks #433,773 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cas vs CH

Shared letters: c. Private to "cas": as. Private to "CH": h.

"cas" · 3 letters · shape CVC  ·  "CH" · 2 letters · shape CC

Frequently Asked Questions

Can "cas" and "CH" be used interchangeably?
No - they are not even the same part of speech. "cas" is a noun and "CH" a symbol, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cas" or "CH"?
"cas" is the more common of the two: it sits at frequency rank #157 in our French list, against #3,389 for "CH". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "cas" and "CH". Here's where to go from here.

  • Full dictionary entry for "cas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CH" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #433,773 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cas" and "CH" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CH". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list