búhovsbulaWhich spelling fits?

Which to use

“búho” and “bula” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#27,125
“búho” frequency rank
#20,290
“bula” frequency rank
47415
confusion score

Side-by-Side Comparison

Feature búho bula
Definition (Strigidae) Ave nocturna, indígena de España, de unos 40 cm. de altura, de color mezclado de rojo y negro, calzada de plumas, con el pico corvo, los ojos grandes y colocados en la parte anterior de la cabeza, sobre la cual tiene plumas alzadas que figuran orejas. Pieza de plomo u otro metal que se añadía al sello en algunos documentos pontificios.

Where the eye mixes búho and bula

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

4 ch
búho
4 ch
bula

Visual trap between búho and bula

A purely visual mix-up. búho ([ˈbuo]) and bula ([ˈbula]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 47415, derived from the frequency rank of both members and their visual similarity.

búho is recorded at frequency rank #27,125, classified as anoun, pronounced [ˈbuo]. bula is at rank #20,290, tagged as anoun, pronounced [ˈbula].

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 47415, this pair ranks #120,191 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of búho vs bula

Shared letters: b. Private to "búho": hoú. Private to "bula": alu.

"búho" · 4 letters · shape CVCV  ·  "bula" · 4 letters · shape CVCV

Known mistypes of this pair

  • bulabbula · blua · bual · ubla · vula

Frequently Asked Questions

Do "búho" and "bula" mean the same thing in a sentence?
No. They are said differently ([ˈbuo] versus [ˈbula]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "búho" or "bula" show up more?
"bula" is the more common of the two: it sits at frequency rank #20,290 in our Spanish list, against #27,125 for "búho". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "búho" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bula" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #120,191 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "búho" and "bula" also get mixed up with nearby pairs, the highest-scored neighbour is "búho 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 #120,191 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