coavscoxWhich spelling fits?

Which to use

“coa” and “cox” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,410
“coa” frequency rank
#7,783
“cox” frequency rank
32193
confusion score

Side-by-Side Comparison

Feature coa cox
Definition A primitive hoe, a sharp wooden rod formerly used by Native Americans to till the soil. A coxswain of a boat, especially of a racing crew.

Letter map: coa vs cox

Shared letters muted; letters that set coa and cox apart highlighted. Shared run: 2.

3 ch
coa
3 ch
cox

Spelling & dictionary notes on coa vs cox

coa and cox are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - a in “coa” becomes x in “cox”. Our composite confusion score for this pair is 32193, derived from the frequency rank of both members and their visual similarity.

coa is recorded at frequency rank #24,410, classified as anoun. cox is at rank #7,783, tagged as anoun, pronounced /kɒks/.

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 32193, this pair ranks #339,868 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of coa vs cox

Shared letters: co. Private to "coa": a. Private to "cox": x.

"coa" · 3 letters · shape CVV  ·  "cox" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "coa" for "cox" ever safe?
No. They differ by a single letter - a in “coa” becomes x in “cox”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "coa" or "cox" show up more?
"cox" is the more common of the two: it sits at frequency rank #7,783 in our English list, against #24,410 for "coa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "coa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cox" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #339,868 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "coa" and "cox" also get mixed up with nearby pairs, the highest-scored neighbour is "coa vs Croat". Nearby pair

Confusion rank #339,868 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