coyvsczTell them apart

Quick tell: coy is a adjective, cz is a conjunction, so they fill different roles in a sentence.

Which to use

“coy” is an adjective and “cz” is a conjunction - they look or sound alike but fill different roles in a sentence.

#25,336
“coy” frequency rank
#30,387
“cz” frequency rank
55723
confusion score

Side-by-Side Comparison

Feature coy cz
Definition Bashful, shy, retiring. Abbreviation of 'cause (because).

Letter map: coy vs cz

Shared letters muted; letters that set coy and cz apart highlighted. Shared run: 1.

3 ch
coy
2 ch
cz

Part-of-speech tell for coy / cz

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: coy is anadjective and czaconjunction. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 55723, derived from the frequency rank of both members and their visual similarity.

coy is recorded at frequency rank #25,336, classified as anadj, pronounced /kɔɪ/. cz is at rank #30,387, tagged as aconj.

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 55723, this pair ranks #131,499 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of coy vs cz

Shared letters: c. Private to "coy": oy. Private to "cz": z.

"coy" · 3 letters · shape CVV  ·  "cz" · 2 letters · shape CC

Frequently Asked Questions

Can "coy" and "cz" be used interchangeably?
No - they are not even the same part of speech. "coy" is an adjective and "cz" a conjunction, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "coy" or "cz"?
"coy" is the more common of the two: it sits at frequency rank #25,336 in our English list, against #30,387 for "cz". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "coy" vs "cz" is on the table, pick a follow-up below.

  • Full dictionary entry for "coy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cz" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #131,499 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "coy" and "cz" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs cz". Nearby pair

Confusion rank #131,499 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list