feosvsfoConfusable pair

Quick tell: feos is a adjective, fo is an intj, so they fill different roles in a sentence.

Which to use

“feos” is an adjective and “fo” is an intj - they look or sound alike but fill different roles in a sentence.

#14,848
“feos” frequency rank
#20,044
“fo” frequency rank
34892
confusion score

Side-by-Side Comparison

Feature feos fo
Definition Forma del masculino plural de feo. Expresión usada al percibir mal olor o sabor.

Where the eye mixes feos and fo

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

4 ch
feos
2 ch
fo

Why the eye confuses feos with fo

These two trip readers on the page rather than in the ear: feos is [ˈfeos] while fo is [ˈfo]. 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 (adjective vs intj), which is usually the fastest check. Our composite confusion score for this pair is 34892, derived from the frequency rank of both members and their visual similarity.

feos is recorded at frequency rank #14,848, classified as anadj, pronounced [ˈfeos]. fo is at rank #20,044, tagged as anintj, pronounced [ˈfo].

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 34892, this pair ranks #188,983 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of feos vs fo

Shared letters: fo. Private to "feos": es. Private to "fo": -.

"feos" · 4 letters · shape CVVC  ·  "fo" · 2 letters · shape CV

Known mistypes of this pair

  • feosefos · feoss · feso · ffeos · foes

Frequently Asked Questions

Do "feos" and "fo" mean the same thing in a sentence?
No - they are not even the same part of speech. "feos" is an adjective and "fo" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "feos" or "fo" show up more?
"feos" is the more common of the two: it sits at frequency rank #14,848 in our Spanish list, against #20,044 for "fo". 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 "feos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #188,983 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "feos" and "fo" also get mixed up with nearby pairs, the highest-scored neighbour is "fo vs fora". 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 #188,983 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