Which to use
“fuck” is an intj and “fui” is a verb - they look or sound alike but fill different roles in a sentence.
- #24,337
- “fuck” frequency rank
- #365
- “fui” frequency rank
- 24702
- confusion score
Side-by-Side Comparison
| Feature | fuck | fui |
|---|---|---|
| Definition | expressa descontentamento, consternação, surpresa ou prazer | primeira pessoa do singular do pretérito perfeito simples do indicativo do verbo ir: |
Letter map: fuck vs fui
Shared letters muted; letters that set fuck and fui apart highlighted. Shared run: 2.
Grammar separator: fuck vs fui
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fuck is anintj and fuiaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24702, derived from the frequency rank of both members and their visual similarity.
fuck is recorded at frequency rank #24,337, classified as anintj. fui is at rank #365, tagged as averb, pronounced /ˈfuj/.
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 24702, this pair ranks #44,842 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fuck vs fui
Shared letters: fu. Private to "fuck": ck. Private to "fui": i.
"fuck" · 4 letters · shape CVCC · "fui" · 3 letters · shape CVV
Known mistypes of this pair
- fuck ← fcuk · ffuck · fucck · fuckk · fukc · ufck
Frequently Asked Questions
Do "fuck" and "fui" mean the same thing in a sentence?
Which is more common, "fuck" or "fui"?
What to do next
Pair "fuck" vs "fui" is on the table, pick a follow-up below.
- Full dictionary entry for "fuck" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fui" - compare definitions side by side with the headword page. Word entry
- This pair ranks #44,842 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "fuck" and "fui" also get mixed up with nearby pairs, the highest-scored neighbour is "fuck vs fume". 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 #44,842 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.