Which to use
“sereia” is a noun and “sereno” is an adjective - they look or sound alike but fill different roles in a sentence.
- #11,967
- “sereia” frequency rank
- #19,270
- “sereno” frequency rank
- 31237
- confusion score
Side-by-Side Comparison
| Feature | sereia | sereno |
|---|---|---|
| Definition | ser mitológico, metade peixe, metade mulher, cujo canto atraía navegantes para o fundo do mar | céu aberto, sem nuvens |
Letter map: sereia vs sereno
Shared letters muted; letters that set sereia and sereno apart highlighted. Shared run: 4. sereia (CVCVVV) and sereno (CVCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Part-of-speech tell for sereia / sereno
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sereia is anoun and serenoanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 31237, derived from the frequency rank of both members and their visual similarity.
sereia is recorded at frequency rank #11,967, classified as anoun. sereno is at rank #19,270, tagged as anadj, pronounced /sɨ.ˈɾe.nu/.
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 31237, this pair ranks #36,910 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sereia vs sereno
Shared letters: ers. Private to "sereia": ai. Private to "sereno": no.
"sereia" · 6 letters · shape CVCVVV · "sereno" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "sereia" and "sereno" mean the same thing in a sentence?
Which is more common, "sereia" or "sereno"?
Useful next steps
Pair "sereia" vs "sereno" is on the table, pick a follow-up below.
- Full dictionary entry for "sereia" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sereno" - compare definitions side by side with the headword page. Word entry
- This pair ranks #36,910 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sereia" and "sereno" also get mixed up with nearby pairs, the highest-scored neighbour is "sereno 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 #36,910 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.