afivsasaConfusable pair

Which to use

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

#41,804
“afi” frequency rank
#7,104
“asa” frequency rank
48908
confusion score

Side-by-Side Comparison

Feature afi asa
Definition avô. membro de um animal que serve para o voo

Where the eye mixes afi and asa

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. afi and asa follow the identical consonant-vowel pattern (VCV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
afi
3 ch
asa

Visual trap between afi and asa

A purely visual mix-up. afi ([ˈaːvɪ], Plural: [ˈaːvar̥]) and asa (/ˈa.zɐ/) 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 48908, 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]. asa is at rank #7,104, tagged as anoun, pronounced /ˈa.zɐ/.

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 48908, this pair ranks #16,207 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of afi vs asa

Shared letters: a. Private to "afi": fi. Private to "asa": s.

"afi" · 3 letters · shape VCV  ·  "asa" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "afi" for "asa" ever safe?
No. They are said differently ([ˈaːvɪ], Plural: [ˈaːvar̥] versus /ˈa.zɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "afi" or "asa" show up more?
"asa" is the more common of the two: it sits at frequency rank #7,104 in our Portuguese list, against #41,804 for "afi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "afi" and "asa" 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 "asa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #16,207 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "afi" and "asa" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs afi". Nearby pair

Confusion rank #16,207 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