Which to use
“seio” is a noun and “sexto” is an adjective - they look or sound alike but fill different roles in a sentence.
- #8,108
- “seio” frequency rank
- #7,338
- “sexto” frequency rank
- 15446
- confusion score
Side-by-Side Comparison
| Feature | seio | sexto |
|---|---|---|
| Definition | curvatura, sinuosidade | refere-se àquele que ocupa a posição sexta em uma série; o que vem depois do quinto |
Letter map: seio vs sexto
Shared letters muted; letters that set seio and sexto apart highlighted. Shared run: 3.
Role in the sentence - seio and sexto
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seio is anoun and sextoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 15446, derived from the frequency rank of both members and their visual similarity.
seio is recorded at frequency rank #8,108, classified as anoun, pronounced /ˈsɐj.u/. sexto is at rank #7,338, tagged as anadj.
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 15446, this pair ranks #56,366 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of seio vs sexto
Shared letters: eos. Private to "seio": i. Private to "sexto": tx.
"seio" · 4 letters · shape CVVV · "sexto" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "seio" and "sexto" be used interchangeably?
Which is more common, "seio" or "sexto"?
After this comparison
You've compared "seio" and "sexto". Here's where to go from here.
- Full dictionary entry for "seio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sexto" - compare definitions side by side with the headword page. Word entry
- This pair ranks #56,366 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "seio" and "sexto" also get mixed up with nearby pairs, the highest-scored neighbour is "seio 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 #56,366 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.