Which to use
“fui” is a verb and “fusil” is a noun - they look or sound alike but fill different roles in a sentence.
- #852
- “fui” frequency rank
- #14,146
- “fusil” frequency rank
- 14998
- confusion score
Side-by-Side Comparison
| Feature | fui | fusil |
|---|---|---|
| Definition | Primera persona del singular (yo) del pretérito perfecto simple de indicativo de ser. | Arma de fuego portátil con un cañón largo y que usa balas como munición. Es el arma más usada por la infantería de los ejércitos. |
Where the eye mixes fui and fusil
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. fui runs 3 letters (CVV) against fusil's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses fui with fusil
These two trip readers on the page rather than in the ear: fui is [ˈfwi] while fusil is [fuˈsil]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 14998, derived from the frequency rank of both members and their visual similarity.
fui is recorded at frequency rank #852, classified as averb, pronounced [ˈfwi]. fusil is at rank #14,146, tagged as anoun, pronounced [fuˈsil].
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 14998, this pair ranks #281,891 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of fui vs fusil
Shared letters: fiu. Private to "fui": -. Private to "fusil": ls.
"fui" · 3 letters · shape CVV · "fusil" · 5 letters · shape CVCVC
Known mistypes of this pair
- fusil ← ffusil · fsuil · fucil · fuisl · fusill · fusli · fussil · ufsil
Frequently Asked Questions
Is swapping "fui" for "fusil" ever safe?
Which is more common, "fui" or "fusil"?
After this comparison
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 "fusil" - compare definitions side by side with the headword page. Word entry
- This pair ranks #281,891 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "fui" and "fusil" also get mixed up with nearby pairs, the highest-scored neighbour is "fusil vs fuste". 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 #281,891 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.