Which to use
“coz” is a noun and “cuz” is an adverb - they look or sound alike but fill different roles in a sentence.
- #23,792
- “coz” frequency rank
- #8,407
- “cuz” frequency rank
- 32199
- confusion score
Side-by-Side Comparison
| Feature | coz | cuz |
|---|---|---|
| Definition | cousin (usually as a term of address) | Informal spelling of 'cause (“because”). |
Same sound, different letters: coz vs cuz
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 2 letters.
Ear matches; page differs - coz and cuz
Say them out loud and nothing separates them: coz and cuz carry the same recorded pronunciation, /kʌz/. Grammar is what tells them apart: one is anoun, the other anadverb, so most sentences will only accept one of them. They differ by a single letter - o in “coz” becomes u in “cuz”. Our composite confusion score for this pair is 32199, derived from the frequency rank of both members and their visual similarity.
coz is recorded at frequency rank #23,792, classified as anoun, pronounced /kʌz/. cuz is at rank #8,407, tagged as anadv, pronounced /kʌz/.
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 32199, this pair ranks #339,825 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of coz vs cuz
Shared letters: cz. Private to "coz": o. Private to "cuz": u.
"coz" · 3 letters · shape CVC · "cuz" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "coz" for "cuz" ever safe?
Frequency check: "coz" vs "cuz" - which ranks higher?
What to do next
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "coz" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cuz" - compare definitions side by side with the headword page. Word entry
- This pair ranks #339,825 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "coz" and "cuz" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs coz". Nearby pair
Confusion rank #339,825 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.