alerovsalióWhich spelling fits?

Quick tell: alero is a noun, alió is a verb, so they fill different roles in a sentence.

Which to use

“alero” is a noun and “alió” is a verb - they look or sound alike but fill different roles in a sentence.

#34,871
“alero” frequency rank
#48,792
“alió” frequency rank
83663
confusion score

Side-by-Side Comparison

Feature alero alió
Definition Parte inferior del tejado de un edificio, que sale fuera de la pared y sirve para apartar de ella el agua de lluvia. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de aliar o de aliarse.

Where the eye mixes alero and alió

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. alero runs 5 letters (VCVCV) against alió's 4 (VCVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
alero
4 ch
alió

Look-alike desk: alero vs alió

These two trip readers on the page rather than in the ear: alero is [aˈleɾo] while alió is [aˈljo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 83663, derived from the frequency rank of both members and their visual similarity.

alero is recorded at frequency rank #34,871, classified as anoun, pronounced [aˈleɾo]. alió is at rank #48,792, tagged as averb, pronounced [aˈljo].

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 83663, this pair ranks #7,893 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of alero vs alió

Shared letters: al. Private to "alero": eor. Private to "alió": ió.

"alero" · 5 letters · shape VCVCV  ·  "alió" · 4 letters · shape VCVV

Known mistypes of this pair

  • alero ← aelro · aleor · alerro · allero · alreo · laero

Frequently Asked Questions

Do "alero" and "alió" mean the same thing in a sentence?
No - they are not even the same part of speech. "alero" is a noun and "alió" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "alero" or "alió" show up more?
"alero" is the more common of the two: it sits at frequency rank #34,871 in our Spanish list, against #48,792 for "alió". 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 "alero" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alió" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #7,893 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "alero" and "alió" also get mixed up with nearby pairs, the highest-scored neighbour is "alió vs apis". 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 #7,893 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