uaivsusarTell them apart

Quick tell: uai is a intj, usar is a verb, so they fill different roles in a sentence.

Which to use

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

#37,566
“uai” frequency rank
#359
“usar” frequency rank
37925
confusion score

Side-by-Side Comparison

Feature uai usar
Definition expressa surpresa, espanto ou suscita dúvida empregar habitualmente; fazer uso de; gastar com o uso; pôr em prática; pôr em uso; servir-se de; trazer ou fazer habitualmente; ter por costume; costumar; cotiar; deteriorar; praticar; trajar; trazer; vestir

Letter map: uai vs usar

Shared letters muted; letters that set uai and usar apart highlighted. Shared run: 2.

3 ch
uai
4 ch
usar

Grammar separator: uai vs usar

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: uai is anintj and usaraverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 37925, derived from the frequency rank of both members and their visual similarity.

uai is recorded at frequency rank #37,566, classified as anintj. usar is at rank #359, tagged as averb, pronounced /u.ˈzaɾ/.

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 37925, this pair ranks #28,617 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of uai vs usar

Shared letters: au. Private to "uai": i. Private to "usar": rs.

"uai" · 3 letters · shape VVV  ·  "usar" · 4 letters · shape VCVC

Known mistypes of this pair

  • usaruasr · usarr · usra · ussar

Frequently Asked Questions

Do "uai" and "usar" mean the same thing in a sentence?
No - they are not even the same part of speech. "uai" is an intj and "usar" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "uai" or "usar"?
"usar" is the more common of the two: it sits at frequency rank #359 in our Portuguese list, against #37,566 for "uai". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "uai" vs "usar" is on the table, pick a follow-up below.

  • Full dictionary entry for "uai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "usar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,617 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "uai" and "usar" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs uai". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #28,617 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