Which to use
“alió” is a verb and “arco” is a noun - they look or sound alike but fill different roles in a sentence.
- #48,792
- “alió” frequency rank
- #3,609
- “arco” frequency rank
- 52401
- confusion score
Side-by-Side Comparison
| Feature | alió | arco |
|---|---|---|
| Definition | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de aliar o de aliarse. | Arma elaborada a partir de una barra material elástico amarrada por ambos extremos a una cuerda la cual se utiliza para impulsar flechas. |
Where the eye mixes alió and arco
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. alió (VCVV) and arco (VCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses alió with arco
These two trip readers on the page rather than in the ear: alió is [aˈljo] while arco is [ˈaɾko]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 52401, 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]. arco is at rank #3,609, tagged as anoun, pronounced [ˈaɾko].
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 52401, this pair ranks #92,885 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of alió vs arco
Shared letters: a. Private to "alió": iló. Private to "arco": cor.
"alió" · 4 letters · shape VCVV · "arco" · 4 letters · shape VCCV
Known mistypes of this pair
- arco ← arcco · aroc · arrco · raco
Frequently Asked Questions
Is swapping "alió" for "arco" ever safe?
Frequency check: "alió" vs "arco" - which ranks higher?
Useful next steps
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 "arco" - compare definitions side by side with the headword page. Word entry
- This pair ranks #92,885 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "alió" and "arco" 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 #92,885 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.