buenvsbuttWhat's the difference?

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

Which to use

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

#241
“buen” frequency rank
#48,861
“butt” frequency rank
49102
confusion score

Side-by-Side Comparison

Feature buen butt
Definition Variante de bueno. Cola, extremo posterior.

Where the eye mixes buen and butt

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

4 ch
buen
4 ch
butt

Why the eye confuses buen with butt

These two trip readers on the page rather than in the ear: buen is [ˈbwẽn] while butt is /bʌt/. 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 49102, derived from the frequency rank of both members and their visual similarity.

buen is recorded at frequency rank #241, classified as anadj, pronounced [ˈbwẽn]. butt is at rank #48,861, tagged as anoun, pronounced /bʌt/.

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 49102, this pair ranks #110,714 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of buen vs butt

Shared letters: bu. Private to "buen": en. Private to "butt": t.

"buen" · 4 letters · shape CVVC  ·  "butt" · 4 letters · shape CVCC

Known mistypes of this pair

  • buenbbuen · beun · buenn · bune · uben · vuen
  • buttbbutt · btut · ubtt · vutt

Frequently Asked Questions

Is swapping "buen" for "butt" ever safe?
No - they are not even the same part of speech. "buen" is an adjective and "butt" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "buen" or "butt" show up more?
"buen" is the more common of the two: it sits at frequency rank #241 in our Spanish list, against #48,861 for "butt". 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 "buen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "butt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #110,714 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "buen" and "butt" also get mixed up with nearby pairs, the highest-scored neighbour is "blunt vs butt". 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 #110,714 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