Which to use
“ano” is a noun and “ao” is a contraction - they look or sound alike but fill different roles in a sentence.
- #99
- “ano” frequency rank
- #27
- “ao” frequency rank
- 126
- confusion score
Side-by-Side Comparison
| Feature | ano | ao |
|---|---|---|
| Definition | período de tempo correspondente à revolução da Terra em torno do Sol que equivale a 365 dias, 6 horas, 13 minutos e 53 segundos | contração da preposição a com o artigo definido o |
Where the eye mixes ano and ao
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: ano is /ˈãⁿ.nu/ while ao is /aw/. 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 (noun vs contraction), which is usually the fastest check. Our composite confusion score for this pair is 126, derived from the frequency rank of both members and their visual similarity.
ano is recorded at frequency rank #99, classified as anoun, pronounced /ˈãⁿ.nu/. ao is at rank #27, tagged as acontraction, pronounced /aw/.
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 126, this pair ranks #75,534 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ano vs ao
Shared letters: ao. Private to "ano": n. Private to "ao": -.
"ano" · 3 letters · shape VCV · "ao" · 2 letters · shape VV
Frequently Asked Questions
Can "ano" and "ao" be used interchangeably?
Which is more common, "ano" or "ao"?
What to do next
You've compared "ano" and "ao". Here's where to go from here.
- Full dictionary entry for "ano" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ao" - compare definitions side by side with the headword page. Word entry
- This pair ranks #75,534 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ano" and "ao" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ano". Nearby pair
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.