Which to use
“fui” is a verb and “fuso” is a noun - they look or sound alike but fill different roles in a sentence.
- #365
- “fui” frequency rank
- #20,614
- “fuso” frequency rank
- 20979
- confusion score
Side-by-Side Comparison
| Feature | fui | fuso |
|---|---|---|
| Definition | primeira pessoa do singular do pretérito perfeito simples do indicativo do verbo ir: | seção de superfície esférica compreendida entre dois semi-círculos de uma esfera |
Where the eye mixes fui and fuso
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. fui runs 3 letters (CVV) against fuso's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between fui and fuso
These two trip readers on the page rather than in the ear: fui is /ˈfuj/ while fuso is /ˈfu.zu/. 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 20979, derived from the frequency rank of both members and their visual similarity.
fui is recorded at frequency rank #365, classified as averb, pronounced /ˈfuj/. fuso is at rank #20,614, tagged as anoun, pronounced /ˈfu.zu/.
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 20979, this pair ranks #49,400 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fui vs fuso
Shared letters: fu. Private to "fui": i. Private to "fuso": os.
"fui" · 3 letters · shape CVV · "fuso" · 4 letters · shape CVCV
Known mistypes of this pair
- fuso ← ffuso · fsuo · fuos · fusso · ufso
Frequently Asked Questions
Do "fui" and "fuso" mean the same thing in a sentence?
Which is more common, "fui" or "fuso"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "fui" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fuso" - compare definitions side by side with the headword page. Word entry
- This pair ranks #49,400 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "fui" and "fuso" also get mixed up with nearby pairs, the highest-scored neighbour is "fosco vs fuso". 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 #49,400 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.