Which to use
“aj” is a noun and “así” is an adverb - they look or sound alike but fill different roles in a sentence.
- #21,891
- “aj” frequency rank
- #55
- “así” frequency rank
- 21946
- confusion score
Side-by-Side Comparison
| Feature | aj | así |
|---|---|---|
| Definition | Síndrome o enfermedad crónica, causada por la vejez u otra condición estable. | De este modo o forma. |
Where the eye mixes aj and así
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between aj and así
These two trip readers on the page rather than in the ear: aj is [ˈaks] while así is [aˈsi]. 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 adverb), which is usually the fastest check. Our composite confusion score for this pair is 21946, derived from the frequency rank of both members and their visual similarity.
aj is recorded at frequency rank #21,891, classified as anoun, pronounced [ˈaks]. así is at rank #55, tagged as anadv, pronounced [aˈsi].
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 21946, this pair ranks #252,633 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of aj vs así
Shared letters: a. Private to "aj": j. Private to "así": sí.
"aj" · 2 letters · shape VC · "así" · 3 letters · shape VCV
Frequently Asked Questions
Is swapping "aj" for "así" ever safe?
Frequency check: "aj" vs "así" - 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 "aj" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "así" - compare definitions side by side with the headword page. Word entry
- This pair ranks #252,633 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "aj" and "así" also get mixed up with nearby pairs, the highest-scored neighbour is "aj vs atl". Nearby pair
Confusion rank #252,633 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.