agivsaiWhat's the difference?

Quick tell: agi is a verb, ai is an intj, so they fill different roles in a sentence.

Which to use

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

#36,311
“agi” frequency rank
#1,090
“ai” frequency rank
37401
confusion score

Side-by-Side Comparison

Feature agi ai
Definition agir, proceder expressa dor física ou sentimental

Where the eye mixes agi and ai

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
agi
2 ch
ai

Look-alike desk: agi vs ai

These two trip readers on the page rather than in the ear: agi is /ˈa.ɡi/ while ai is /aj/. 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 (verb vs intj), which is usually the fastest check. Our composite confusion score for this pair is 37401, 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/. ai is at rank #1,090, tagged as anintj, pronounced /aj/.

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 37401, this pair ranks #29,213 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of agi vs ai

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

"agi" · 3 letters · shape VCV  ·  "ai" · 2 letters · shape VV

Frequently Asked Questions

Is swapping "agi" for "ai" ever safe?
No - they are not even the same part of speech. "agi" is a verb and "ai" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "agi" vs "ai" - which ranks higher?
"ai" is the more common of the two: it sits at frequency rank #1,090 in our Portuguese list, against #36,311 for "agi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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 "ai" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,213 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "agi" and "ai" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs agi". Nearby pair

Confusion rank #29,213 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