Which to use
“sin” is a pronoun and “sinos” is a noun - they look or sound alike but fill different roles in a sentence.
- #8,687
- “sin” frequency rank
- #11,548
- “sinos” frequency rank
- 20235
- confusion score
Side-by-Side Comparison
| Feature | sin | sinos |
|---|---|---|
| Definition | aquilo, aquele | naipe dos jogos de baralho alemão |
Letter map: sin vs sinos
Shared letters muted; letters that set sin and sinos apart highlighted. Shared run: 3. sin runs 3 letters (CVC) against sinos's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - sin and sinos
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sin is apronoun and sinosanoun. On the page they differ by 2 extra letter(s) - “sin” sits inside “sinos”. Our composite confusion score for this pair is 20235, derived from the frequency rank of both members and their visual similarity.
sin is recorded at frequency rank #8,687, classified as apron. sinos is at rank #11,548, tagged as anoun, pronounced /ˈsinuʃ/.
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 20235, this pair ranks #50,328 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sin vs sinos
Shared letters: ins. Private to "sin": -. Private to "sinos": o.
"sin" · 3 letters · shape CVC · "sinos" · 5 letters · shape CVCVC
Known mistypes of this pair
- sinos ← isnos · sinnos · sinoss · sinso · sions · snios · ssinos
Frequently Asked Questions
Is swapping "sin" for "sinos" ever safe?
Frequency check: "sin" vs "sinos" - which ranks higher?
After this comparison
Pair "sin" vs "sinos" is on the table, pick a follow-up below.
- Full dictionary entry for "sin" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sinos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #50,328 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sin" and "sinos" also get mixed up with nearby pairs, the highest-scored neighbour is "seno vs sinos". 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 #50,328 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.