Which to use
“ain” is a noun and “aún” is an adverb - they look or sound alike but fill different roles in a sentence.
- #38,481
- “ain” frequency rank
- #240
- “aún” frequency rank
- 38721
- confusion score
Side-by-Side Comparison
| Feature | ain | aún |
|---|---|---|
| Definition | Un cierto número de hilos de la cadena. | Indica que el hecho persiste en el presente, aunque pueda cambiar en lo sucesivo.. |
Where the eye mixes ain and aún
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses ain with aún
These two trip readers on the page rather than in the ear: ain is [ɛ̃] while aún is [aˈũn]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - i in “ain” becomes ú in “aún”, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 38721, derived from the frequency rank of both members and their visual similarity.
ain is recorded at frequency rank #38,481, classified as anoun, pronounced [ɛ̃]. aún is at rank #240, tagged as anadv, pronounced [aˈũn].
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 38721, this pair ranks #168,441 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ain vs aún
Shared letters: an. Private to "ain": i. Private to "aún": ú.
"ain" · 3 letters · shape VVC · "aún" · 3 letters · shape VVC
Frequently Asked Questions
Is swapping "ain" for "aún" ever safe?
Frequency check: "ain" vs "aún" - which ranks higher?
What to do next
Eye-level mix-up between "ain" and "aún" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ain" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aún" - compare definitions side by side with the headword page. Word entry
- This pair ranks #168,441 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ain" and "aún" also get mixed up with nearby pairs, the highest-scored neighbour is "ain vs apis". Nearby pair
Confusion rank #168,441 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.