feovsfilTell them apart

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

Which to use

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

#3,556
“feo” frequency rank
#38,124
“fil” frequency rank
41680
confusion score

Side-by-Side Comparison

Feature feo fil
Definition Que carece de belleza o hermosura. Elefante.

Where the eye mixes feo and fil

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
feo
3 ch
fil

Visual trap between feo and fil

These two trip readers on the page rather than in the ear: feo is [ˈfeo] while fil is [ˈfil]. 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 41680, 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]. fil is at rank #38,124, tagged as anoun, pronounced [ˈfil].

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 41680, this pair ranks #152,310 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of feo vs fil

Shared letters: f. Private to "feo": eo. Private to "fil": il.

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

Frequently Asked Questions

Can "feo" and "fil" be used interchangeably?
No - they are not even the same part of speech. "feo" is an adjective and "fil" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "feo" or "fil" show up more?
"feo" is the more common of the two: it sits at frequency rank #3,556 in our Spanish list, against #38,124 for "fil". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "fil" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #152,310 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "feo" and "fil" also get mixed up with nearby pairs, the highest-scored neighbour is "fil vs filos". Nearby pair

Confusion rank #152,310 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