uivsunirConfusable pair

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

Which to use

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

#19,875
“ui” frequency rank
#4,962
“unir” frequency rank
24837
confusion score

Side-by-Side Comparison

Feature ui unir
Definition exprime surpresa, admiração, repugnância juntar

Where the eye mixes ui and unir

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

2 ch
ui
4 ch
unir

Visual trap between ui and unir

These two trip readers on the page rather than in the ear: ui is /ˈuj/ while unir is /ˈu.niɾ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (intj vs verb), which is usually the fastest check. Our composite confusion score for this pair is 24837, derived from the frequency rank of both members and their visual similarity.

ui is recorded at frequency rank #19,875, classified as anintj, pronounced /ˈuj/. unir is at rank #4,962, tagged as averb, pronounced /ˈu.niɾ/.

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 24837, this pair ranks #44,644 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ui vs unir

Shared letters: iu. Private to "ui": -. Private to "unir": nr.

"ui" · 2 letters · shape VV  ·  "unir" · 4 letters · shape VCVC

Known mistypes of this pair

  • unirnuir · uinr · unirr · unnir · unri

Frequently Asked Questions

Do "ui" and "unir" mean the same thing in a sentence?
No - they are not even the same part of speech. "ui" is an intj and "unir" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ui" vs "unir" - which ranks higher?
"unir" is the more common of the two: it sits at frequency rank #4,962 in our Portuguese list, against #19,875 for "ui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "ui" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "unir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #44,644 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ui" and "unir" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs ui". 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 #44,644 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