corvsCyrTell them apart

Quick tell: cor is a noun, Cyr is a name, so they fill different roles in a sentence.

Which to use

“cor” is a noun and “Cyr” is a name - they look or sound alike but fill different roles in a sentence.

#14,000
“cor” frequency rank
#12,760
“Cyr” frequency rank
26760
confusion score

Side-by-Side Comparison

Feature cor Cyr
Definition (toujours employé au pluriel) Andouiller. Nom de famille.

Where the eye mixes cor and Cyr

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
cor
3 ch
Cyr

Visual trap between cor and Cyr

These two trip readers on the page rather than in the ear: cor is \kɔʁ\ while Cyr is \siʁ\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - o in “cor” becomes y in “Cyr”, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 26760, derived from the frequency rank of both members and their visual similarity.

cor is recorded at frequency rank #14,000, classified as anoun, pronounced \kɔʁ\. Cyr is at rank #12,760, tagged as aname, pronounced \siʁ\.

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 26760, this pair ranks #333,015 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cor vs Cyr

Shared letters: cr. Private to "cor": o. Private to "Cyr": y.

"cor" · 3 letters · shape CVC  ·  "Cyr" · 3 letters · shape CVC

Frequently Asked Questions

Do "cor" and "Cyr" mean the same thing in a sentence?
No - they are not even the same part of speech. "cor" is a noun and "Cyr" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cor" or "Cyr"?
"Cyr" is the more common of the two: it sits at frequency rank #12,760 in our French list, against #14,000 for "cor". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "cor" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Cyr" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #333,015 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cor" and "Cyr" also get mixed up with nearby pairs, the highest-scored neighbour is "ciro vs cor". Nearby pair

Confusion rank #333,015 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