alióvsaviónWhat's the difference?

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

Which to use

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

#48,792
“alió” frequency rank
#1,757
“avión” frequency rank
50549
confusion score

Side-by-Side Comparison

Feature alió avión
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de aliar o de aliarse. (Delichon spp., Riparia spp., Hirundo spp.) Ave insectívora de la familia Hirundinidae de cuerpo fusiforme y alas largas, cola ahorquillada y pico corto.

Where the eye mixes alió and avión

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. alió runs 4 letters (VCVV) against avión's 5 (VCVVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
alió
5 ch
avión

Visual trap between alió and avión

These two trip readers on the page rather than in the ear: alió is [aˈljo] while avión is [aˈβ̞jõn]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50549, derived from the frequency rank of both members and their visual similarity.

alió is recorded at frequency rank #48,792, classified as averb, pronounced [aˈljo]. avión is at rank #1,757, tagged as anoun, pronounced [aˈβ̞jõn].

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 50549, this pair ranks #102,610 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of alió vs avión

Shared letters: aió. Private to "alió": l. Private to "avión": nv.

"alió" · 4 letters · shape VCVV  ·  "avión" · 5 letters · shape VCVVC

Frequently Asked Questions

Is swapping "alió" for "avión" ever safe?
No - they are not even the same part of speech. "alió" is a verb and "avión" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "alió" or "avión"?
"avión" is the more common of the two: it sits at frequency rank #1,757 in our Spanish list, against #48,792 for "alió". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "alió" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "avión" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #102,610 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "alió" and "avión" also get mixed up with nearby pairs, the highest-scored neighbour is "alió vs apis". Nearby pair

Confusion rank #102,610 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