Which to use
“ceo” is a noun and “co” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #8,861
- “ceo” frequency rank
- #2,005
- “co” frequency rank
- 10866
- confusion score
Side-by-Side Comparison
| Feature | ceo | co |
|---|---|---|
| Definition | nevoeiro; neblina | que |
Letter map: ceo vs co
Shared letters muted; letters that set ceo and co apart highlighted. Shared run: 2.
Role in the sentence - ceo and co
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ceo is anoun and coapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 10866, derived from the frequency rank of both members and their visual similarity.
ceo is recorded at frequency rank #8,861, classified as anoun, pronounced /coː/. co is at rank #2,005, tagged as apron.
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 10866, this pair ranks #62,117 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ceo vs co
Shared letters: co. Private to "ceo": e. Private to "co": -.
"ceo" · 3 letters · shape CVV · "co" · 2 letters · shape CV
Frequently Asked Questions
Do "ceo" and "co" mean the same thing in a sentence?
In ordinary Portuguese text, does "ceo" or "co" show up more?
What to do next
Pair "ceo" vs "co" is on the table, pick a follow-up below.
- Full dictionary entry for "ceo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "co" - compare definitions side by side with the headword page. Word entry
- This pair ranks #62,117 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ceo" and "co" also get mixed up with nearby pairs, the highest-scored neighbour is "ceo vs ciao". Nearby pair
Confusion rank #62,117 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.