Which to use
“fía” and “fui” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #40,850
- “fía” frequency rank
- #852
- “fui” frequency rank
- 41702
- confusion score
Side-by-Side Comparison
| Feature | fía | fui |
|---|---|---|
| Definition | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de fiar. | Primera persona del singular (yo) del pretérito perfecto simple de indicativo de ser. |
Where the eye mixes fía and fui
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. fía and fui follow the identical consonant-vowel pattern (CVV). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between fía and fui
A purely visual mix-up. fía ([ˈfia]) and fui ([ˈfwi]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 41702, derived from the frequency rank of both members and their visual similarity.
fía is recorded at frequency rank #40,850, classified as averb, pronounced [ˈfia]. fui is at rank #852, tagged as averb, pronounced [ˈfwi].
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 41702, this pair ranks #152,214 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fía vs fui
Shared letters: f. Private to "fía": aí. Private to "fui": iu.
"fía" · 3 letters · shape CVV · "fui" · 3 letters · shape CVV
Frequently Asked Questions
Is swapping "fía" for "fui" ever safe?
In ordinary Spanish text, does "fía" or "fui" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "fía" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fui" - compare definitions side by side with the headword page. Word entry
- This pair ranks #152,214 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "fía" and "fui" also get mixed up with nearby pairs, the highest-scored neighbour is "fía vs fora". Nearby pair
Confusion rank #152,214 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.