Which to use
“aca” is a noun and “aún” is an adverb - they look or sound alike but fill different roles in a sentence.
- #3,222
- “aca” frequency rank
- #240
- “aún” frequency rank
- 3462
- confusion score
Side-by-Side Comparison
| Feature | aca | aún |
|---|---|---|
| Definition | Residuo sólido indigerible del bolo alimenticio, que se excreta a través del ano. | Indica que el hecho persiste en el presente, aunque pueda cambiar en lo sucesivo.. |
Where the eye mixes aca and aún
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between aca and aún
These two trip readers on the page rather than in the ear: aca is [ˈaka] while aún is [aˈũn]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 3462, derived from the frequency rank of both members and their visual similarity.
aca is recorded at frequency rank #3,222, classified as anoun, pronounced [ˈaka]. 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 3462, this pair ranks #318,258 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of aca vs aún
Shared letters: a. Private to "aca": c. Private to "aún": nú.
"aca" · 3 letters · shape VCV · "aún" · 3 letters · shape VVC
Frequently Asked Questions
Is swapping "aca" for "aún" ever safe?
Which is more common, "aca" or "aún"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "aca" 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 #318,258 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "aca" and "aún" also get mixed up with nearby pairs, the highest-scored neighbour is "aca vs anta". Nearby pair
Confusion rank #318,258 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.