coxvsczWhat's the difference?

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

Which to use

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

#7,783
“cox” frequency rank
#30,387
“cz” frequency rank
38170
confusion score

Side-by-Side Comparison

Feature cox cz
Definition A coxswain of a boat, especially of a racing crew. Abbreviation of 'cause (because).

Letter map: cox vs cz

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

3 ch
cox
2 ch
cz

Grammar separator: cox vs cz

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cox is anoun and czaconjunction. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 38170, derived from the frequency rank of both members and their visual similarity.

cox is recorded at frequency rank #7,783, classified as anoun, pronounced /kɒks/. 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 38170, this pair ranks #288,249 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cox vs cz

Shared letters: c. Private to "cox": ox. Private to "cz": z.

"cox" · 3 letters · shape CVC  ·  "cz" · 2 letters · shape CC

Frequently Asked Questions

Do "cox" and "cz" mean the same thing in a sentence?
No - they are not even the same part of speech. "cox" is a noun and "cz" a conjunction, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cox" or "cz"?
"cox" is the more common of the two: it sits at frequency rank #7,783 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.

What to do next

You've compared "cox" and "cz". Here's where to go from here.

  • Full dictionary entry for "cox" 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 #288,249 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cox" and "cz" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs cz". Nearby pair

Confusion rank #288,249 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