corevsCyrConfusable pair

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

Which to use

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

#16,102
“core” frequency rank
#12,760
“Cyr” frequency rank
28862
confusion score

Side-by-Side Comparison

Feature core Cyr
Definition Centre, noyau. Nom de famille.

Where the eye mixes core and Cyr

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

4 ch
core
3 ch
Cyr

Look-alike desk: core vs Cyr

These two trip readers on the page rather than in the ear: core is \kɔː\ while Cyr is \siʁ\. 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 name), which is usually the fastest check. Our composite confusion score for this pair is 28862, derived from the frequency rank of both members and their visual similarity.

core is recorded at frequency rank #16,102, classified as anoun, pronounced \kɔː\. 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 28862, this pair ranks #320,206 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of core vs Cyr

Shared letters: cr. Private to "core": eo. Private to "Cyr": y.

"core" · 4 letters · shape CVCV  ·  "Cyr" · 3 letters · shape CVC

Known mistypes of this pair

  • coreccore · coer · corre · croe

Frequently Asked Questions

Is swapping "core" for "Cyr" ever safe?
No - they are not even the same part of speech. "core" is a noun and "Cyr" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "core" or "Cyr"?
"Cyr" is the more common of the two: it sits at frequency rank #12,760 in our French list, against #16,102 for "core". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "core" 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 #320,206 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "core" and "Cyr" also get mixed up with nearby pairs, the highest-scored neighbour is "conde vs core". 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 #320,206 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