agivsaiaTell them apart

Quick tell: agi is a verb, aia is a noun, so they fill different roles in a sentence.

Which to use

“agi” is a verb and “aia” is a noun - they look or sound alike but fill different roles in a sentence.

#36,311
“agi” frequency rank
#39,961
“aia” frequency rank
76272
confusion score

Side-by-Side Comparison

Feature agi aia
Definition agir, proceder criada para companhia

Where the eye mixes agi and aia

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. agi (VCV) and aia (VVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
agi
3 ch
aia

Visual trap between agi and aia

These two trip readers on the page rather than in the ear: agi is /ˈa.ɡi/ while aia is /ˈaj.ɐ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 76272, derived from the frequency rank of both members and their visual similarity.

agi is recorded at frequency rank #36,311, classified as averb, pronounced /ˈa.ɡi/. aia is at rank #39,961, tagged as anoun, pronounced /ˈaj.ɐ/.

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 76272, this pair ranks #2,126 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of agi vs aia

Shared letters: ai. Private to "agi": g. Private to "aia": -.

"agi" · 3 letters · shape VCV  ·  "aia" · 3 letters · shape VVV

Frequently Asked Questions

Is swapping "agi" for "aia" ever safe?
No - they are not even the same part of speech. "agi" is a verb and "aia" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "agi" or "aia" show up more?
"agi" is the more common of the two: it sits at frequency rank #36,311 in our Portuguese list, against #39,961 for "aia". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "agi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aia" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,126 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "agi" and "aia" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs aia". Nearby pair

Confusion rank #2,126 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