fíavsfoxWhich spelling fits?

Quick tell: fía is a verb, fox is a noun, so they fill different roles in a sentence.

Which to use

“fía” is a verb and “fox” is a noun - they look or sound alike but fill different roles in a sentence.

#40,850
“fía” frequency rank
#5,109
“fox” frequency rank
45959
confusion score

Side-by-Side Comparison

Feature fía fox
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de fiar. (Vulpes vulpes) Zorro.

Where the eye mixes fía and fox

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. fía (CVV) and fox (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
fía
3 ch
fox

Look-alike desk: fía vs fox

These two trip readers on the page rather than in the ear: fía is [ˈfia] while fox is /fɒks/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 45959, 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]. fox is at rank #5,109, tagged as anoun, pronounced /fɒks/.

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 45959, this pair ranks #128,484 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fía vs fox

Shared letters: f. Private to "fía": aí. Private to "fox": ox.

"fía" · 3 letters · shape CVV  ·  "fox" · 3 letters · shape CVC

Frequently Asked Questions

Can "fía" and "fox" be used interchangeably?
No - they are not even the same part of speech. "fía" is a verb and "fox" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "fía" or "fox" show up more?
"fox" is the more common of the two: it sits at frequency rank #5,109 in our Spanish list, against #40,850 for "fía". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "fía" and "fox" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fía" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fox" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #128,484 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fía" and "fox" also get mixed up with nearby pairs, the highest-scored neighbour is "fía vs fora". Nearby pair

Confusion rank #128,484 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list