Which to use
“cat” and “ceo” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #7,740
- “cat” frequency rank
- #8,861
- “ceo” frequency rank
- 16601
- confusion score
Side-by-Side Comparison
| Feature | cat | ceo |
|---|---|---|
| Definition | gato (Felis catus) | nevoeiro; neblina |
Where the eye mixes cat and ceo
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: cat vs ceo
A purely visual mix-up. cat (/kʰaʰt̪/) and ceo (/coː/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 16601, derived from the frequency rank of both members and their visual similarity.
cat is recorded at frequency rank #7,740, classified as anoun, pronounced /kʰaʰt̪/. ceo is at rank #8,861, tagged as anoun, pronounced /coː/.
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 16601, this pair ranks #54,895 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cat vs ceo
Shared letters: c. Private to "cat": at. Private to "ceo": eo.
"cat" · 3 letters · shape CVC · "ceo" · 3 letters · shape CVV
Frequently Asked Questions
Can "cat" and "ceo" be used interchangeably?
Frequency check: "cat" vs "ceo" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "cat" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ceo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #54,895 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "cat" and "ceo" also get mixed up with nearby pairs, the highest-scored neighbour is "cat vs chau". Nearby pair
Confusion rank #54,895 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.