Which to use
“ano” and “ato” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #99
- “ano” frequency rank
- #1,326
- “ato” frequency rank
- 1425
- confusion score
Side-by-Side Comparison
| Feature | ano | ato |
|---|---|---|
| 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 | processo de fazer algo; manifestação real e tangível |
Where the eye mixes ano and ato
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: ano vs ato
A purely visual mix-up. ano (/ˈãⁿ.nu/) and ato (/ˈato/ ou /ˈatu/_(plural:) /ˈatos/, /ˈatus/ ou /ˈatuʃ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - n in “ano” becomes t in “ato”. Our composite confusion score for this pair is 1425, 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/. ato is at rank #1,326, tagged as anoun, pronounced /ˈato/ ou /ˈatu/_(plural:) /ˈatos/, /ˈatus/ ou /ˈatuʃ/.
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 1425, this pair ranks #74,152 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ano vs ato
Shared letters: ao. Private to "ano": n. Private to "ato": t.
"ano" · 3 letters · shape VCV · "ato" · 3 letters · shape VCV
Frequently Asked Questions
Do "ano" and "ato" mean the same thing in a sentence?
In ordinary Portuguese text, does "ano" or "ato" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ano" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ato" - compare definitions side by side with the headword page. Word entry
- This pair ranks #74,152 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ano" and "ato" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ato". Nearby pair
Confusion rank #74,152 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.