uaivsuniWhich spelling fits?

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

Which to use

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

#37,566
“uai” frequency rank
#18,214
“uni” frequency rank
55780
confusion score

Side-by-Side Comparison

Feature uai uni
Definition expressa surpresa, espanto ou suscita dúvida primeira pessoa do singular do pretérito perfeito do indicativo do verbo unir

Letter map: uai vs uni

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

3 ch
uai
3 ch
uni

Grammar separator: uai vs uni

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: uai is anintj and uniaverb. On the page they differ by a single letter - a in “uai” becomes n in “uni”. Our composite confusion score for this pair is 55780, derived from the frequency rank of both members and their visual similarity.

uai is recorded at frequency rank #37,566, classified as anintj. uni is at rank #18,214, tagged as averb, pronounced /ʊ.ˈni/.

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 55780, this pair ranks #10,389 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of uai vs uni

Shared letters: iu. Private to "uai": a. Private to "uni": n.

"uai" · 3 letters · shape VVV  ·  "uni" · 3 letters · shape VCV

Frequently Asked Questions

Can "uai" and "uni" be used interchangeably?
No - they are not even the same part of speech. "uai" is an intj and "uni" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "uai" vs "uni" - which ranks higher?
"uni" is the more common of the two: it sits at frequency rank #18,214 in our Portuguese list, against #37,566 for "uai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "uai" and "uni". Here's where to go from here.

  • Full dictionary entry for "uai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "uni" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #10,389 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "uai" and "uni" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs uai". Nearby pair

Confusion rank #10,389 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