Which to use
“fume” is a noun and “fun” is an adjective - they look or sound alike but fill different roles in a sentence.
- #32,617
- “fume” frequency rank
- #16,068
- “fun” frequency rank
- 48685
- confusion score
Side-by-Side Comparison
| Feature | fume | fun |
|---|---|---|
| Definition | gás ou vapor com cheiro forte e perigoso de inalar. São partículas sólidas formadas por condensação do estado gasoso, por exemplo, óxidos de metais volatilizados. | divertido |
Where the eye mixes fume and fun
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses fume with fun
These two trip readers on the page rather than in the ear: fume is /fjuːm/ while fun is /fʌn/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 48685, derived from the frequency rank of both members and their visual similarity.
fume is recorded at frequency rank #32,617, classified as anoun, pronounced /fjuːm/. 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 48685, this pair ranks #16,479 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of fume vs fun
Shared letters: fu. Private to "fume": em. Private to "fun": n.
"fume" · 4 letters · shape CVCV · "fun" · 3 letters · shape CVC
Known mistypes of this pair
- fume ← ffume · fmue · fuem · fumme · ufme
Frequently Asked Questions
Do "fume" and "fun" mean the same thing in a sentence?
Frequency check: "fume" vs "fun" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "fume" 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 #16,479 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "fume" 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 #16,479 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.