Which to use
“sério” is an adjective and “sexo” is a noun - they look or sound alike but fill different roles in a sentence.
- #544
- “sério” frequency rank
- #678
- “sexo” frequency rank
- 1222
- confusion score
Side-by-Side Comparison
| Feature | sério | sexo |
|---|---|---|
| Definition | que demonstra profundo pensar | definição biológica de gênero de um animal ou vegetal; pode ser feminino, masculino ou hermafrodita; quando não se tem definição considera-se um ser vivo como assexuado |
Where the eye mixes sério and sexo
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between sério and sexo
These two trip readers on the page rather than in the ear: sério is /ˈsɛ.ɾju/ while sexo is /ˈsɛ.ksu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 1222, derived from the frequency rank of both members and their visual similarity.
sério is recorded at frequency rank #544, classified as anadj, pronounced /ˈsɛ.ɾju/. sexo is at rank #678, tagged as anoun, pronounced /ˈsɛ.ksu/.
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 1222, this pair ranks #74,371 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of sério vs sexo
Shared letters: os. Private to "sério": iré. Private to "sexo": ex.
"sério" · 5 letters · shape CVCVV · "sexo" · 4 letters · shape CVCV
Known mistypes of this pair
- sexo ← esxo · seox · sexxo · ssexo · sxeo
Frequently Asked Questions
Is swapping "sério" for "sexo" ever safe?
In ordinary Portuguese text, does "sério" or "sexo" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sério" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sexo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #74,371 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sério" and "sexo" also get mixed up with nearby pairs, the highest-scored neighbour is "sexo vs sueño". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #74,371 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.