Which to use
“fui” is a verb and “fume” is a noun - they look or sound alike but fill different roles in a sentence.
- #365
- “fui” frequency rank
- #32,617
- “fume” frequency rank
- 32982
- confusion score
Side-by-Side Comparison
| Feature | fui | fume |
|---|---|---|
| Definition | primeira pessoa do singular do pretérito perfeito simples do indicativo do verbo ir: | 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. |
Where the spellings diverge
Shared letters are muted; the letters that actually set fui and fume apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: fui is /ˈfuj/ while fume is /fjuːm/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 32982, derived from the frequency rank of both members and their visual similarity.
fui is recorded at frequency rank #365, classified as averb, pronounced /ˈfuj/. fume is at rank #32,617, tagged as anoun, pronounced /fjuːm/.
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 32982, this pair ranks #34,662 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fui vs fume
Shared letters: fu. Private to "fui": i. Private to "fume": em.
"fui" · 3 letters · shape CVV · "fume" · 4 letters · shape CVCV
Known mistypes of this pair
- fume ← ffume · fmue · fuem · fumme · ufme
Frequency comparison
Frequently Asked Questions
Can "fui" and "fume" be used interchangeably?
Which is more common, "fui" or "fume"?
Remembering fui vs fume
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “fui”; for a noun, it's “fume”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “fui” entry
- Browse more pairs most likely to be confused. Most confusable