ui
/ˈuj/
The verdict
“ui” is a moderately-common Portuguese word, ranked #19,875 in Portuguese word frequency and used as an interjection.
- #19,875
- frequency rank, Portuguese
- 2
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - exprime surpresa, admiração, repugnância
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | ui |
| Language | Portuguese |
| Part of speech | Interjection |
| IPA | /ˈuj/ |
| Letters | 2 |
| Frequency rank | #19,875 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “ui” sits in Portuguese frequency
Spelling & Dictionary Insight
The Portuguese entry for ui is 2 letters long, classified as an interjection, and transcribed in the International Phonetic Alphabet as /ˈuj/. Corpus data places it at rank #19,875 in overall Portuguese word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
Our edit-distance generator produced no likely misspellings for ui, suggesting the orthography follows predictable Portuguese patterns. It also participates in 20 confusable-pair relationships, "um", "us", "ur", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
No documented word history exists for this headword, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct Portuguese form is ui, spelled U-I.
Definition
- 1exprime surpresa, admiração, repugnância
- 2exprime que se sente dor ou desconforto
- 3exprime rejeição, repulsa, resistência a algo
- 4expressa deboche em relação a ato considerado melindroso ou efeminado
- 5expressa prazer conforme sensação reativa corporal involutária a estímulo de contato
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “ui”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Portuguese spelling is U-I - every other letter order is a misspelling in standard orthography.
- Say it as /ˈuj/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “um” - see the side-by-side comparison. ui vs um
- Browse more Portuguese words and confusable pairs in the same reference. Portuguese words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.