afivsatoTell them apart

Which to use

“afi” and “ato” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#41,804
“afi” frequency rank
#1,326
“ato” frequency rank
43130
confusion score

Side-by-Side Comparison

Feature afi ato
Definition avô. processo de fazer algo; manifestação real e tangível

Where the eye mixes afi and ato

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
afi
3 ch
ato

Look-alike desk: afi vs ato

A purely visual mix-up. afi ([ˈaːvɪ], Plural: [ˈaːvar̥]) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43130, derived from the frequency rank of both members and their visual similarity.

afi is recorded at frequency rank #41,804, classified as anoun, pronounced [ˈaːvɪ], Plural: [ˈaːvar̥]. 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 43130, this pair ranks #22,545 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of afi vs ato

Shared letters: a. Private to "afi": fi. Private to "ato": ot.

"afi" · 3 letters · shape VCV  ·  "ato" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "afi" for "ato" ever safe?
No. They are said differently ([ˈaːvɪ], Plural: [ˈaːvar̥] versus /ˈato/ ou /ˈatu/_(plural:) /ˈatos/, /ˈatus/ ou /ˈatuʃ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "afi" or "ato" show up more?
"ato" is the more common of the two: it sits at frequency rank #1,326 in our Portuguese list, against #41,804 for "afi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "afi" and "ato" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "afi" 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 #22,545 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "afi" and "ato" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs afi". Nearby pair

Confusion rank #22,545 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list