feovsfoxWhat's the difference?

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

Which to use

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

#3,556
“feo” frequency rank
#5,109
“fox” frequency rank
8665
confusion score

Side-by-Side Comparison

Feature feo fox
Definition Que carece de belleza o hermosura. (Vulpes vulpes) Zorro.

Where the eye mixes feo and fox

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
feo
3 ch
fox

Visual trap between feo and fox

These two trip readers on the page rather than in the ear: feo is [ˈfeo] 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 8665, derived from the frequency rank of both members and their visual similarity.

feo is recorded at frequency rank #3,556, classified as anadj, pronounced [ˈfeo]. 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 8665, this pair ranks #304,331 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of feo vs fox

Shared letters: fo. Private to "feo": e. Private to "fox": x.

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

Frequently Asked Questions

Can "feo" and "fox" be used interchangeably?
No - they are not even the same part of speech. "feo" is an adjective and "fox" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "feo" or "fox"?
"feo" is the more common of the two: it sits at frequency rank #3,556 in our Spanish list, against #5,109 for "fox". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "feo" 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 #304,331 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "feo" and "fox" also get mixed up with nearby pairs, the highest-scored neighbour is "fora vs fox". Nearby pair

Confusion rank #304,331 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