Which to use
“fuck” is an intj and “fun” is an adjective - they look or sound alike but fill different roles in a sentence.
- #24,337
- “fuck” frequency rank
- #16,068
- “fun” frequency rank
- 40405
- confusion score
Side-by-Side Comparison
| Feature | fuck | fun |
|---|---|---|
| Definition | expressa descontentamento, consternação, surpresa ou prazer | divertido |
Letter map: fuck vs fun
Shared letters muted; letters that set fuck and fun apart highlighted. Shared run: 2.
Grammar separator: fuck vs fun
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fuck is anintj and funanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 40405, derived from the frequency rank of both members and their visual similarity.
fuck is recorded at frequency rank #24,337, classified as anintj. fun is at rank #16,068, tagged as anadj, pronounced /fʌn/.
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 40405, this pair ranks #25,721 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fuck vs fun
Shared letters: fu. Private to "fuck": ck. Private to "fun": n.
"fuck" · 4 letters · shape CVCC · "fun" · 3 letters · shape CVC
Known mistypes of this pair
- fuck ← fcuk · ffuck · fucck · fuckk · fukc · ufck
Frequently Asked Questions
Can "fuck" and "fun" be used interchangeably?
Which is more common, "fuck" or "fun"?
Useful next steps
Done with this confusable. These links stay specific to "fuck" and "fun".
- Full dictionary entry for "fuck" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fun" - compare definitions side by side with the headword page. Word entry
- This pair ranks #25,721 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "fuck" and "fun" also get mixed up with nearby pairs, the highest-scored neighbour is "fern vs fun". 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 #25,721 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.