Which to use
“fuck” and “fui” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #14,367
- “fuck” frequency rank
- #852
- “fui” frequency rank
- 15219
- confusion score
Side-by-Side Comparison
| Feature | fuck | fui |
|---|---|---|
| Definition | Copular; mantener relaciones sexuales | Primera persona del singular (yo) del pretérito perfecto simple de indicativo de ser. |
Where the eye mixes fuck and fui
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. fuck runs 4 letters (CVCC) against fui's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: fuck vs fui
A purely visual mix-up. fuck (/fʌk/) and fui ([ˈfwi]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 15219, derived from the frequency rank of both members and their visual similarity.
fuck is recorded at frequency rank #14,367, classified as averb, pronounced /fʌk/. fui is at rank #852, tagged as averb, pronounced [ˈfwi].
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 15219, this pair ranks #281,065 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
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
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- 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 #281,065 of 323,831 scored Spanish 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 fuer". 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 #281,065 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.