apsvsasaWhich spelling fits?

Quick tell: aps is a pronoun, asa is a noun, so they fill different roles in a sentence.

Which to use

“aps” is a pronoun and “asa” is a noun - they look or sound alike but fill different roles in a sentence.

#39,057
“aps” frequency rank
#18,157
“asa” frequency rank
57214
confusion score

Side-by-Side Comparison

Feature aps asa
Definition Ese., esa, eso Proyección, generalmente curva, en el costado de un recipiente, por la cual este puede asirse.

Where the eye mixes aps and asa

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
aps
3 ch
asa

Visual trap between aps and asa

These two trip readers on the page rather than in the ear: aps is /aps/ while asa is [ˈasa]. 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 (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 57214, derived from the frequency rank of both members and their visual similarity.

aps is recorded at frequency rank #39,057, classified as apron, pronounced /aps/. asa is at rank #18,157, tagged as anoun, pronounced [ˈasa].

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 57214, this pair ranks #71,383 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of aps vs asa

Shared letters: as. Private to "aps": p. Private to "asa": -.

"aps" · 3 letters · shape VCC  ·  "asa" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "aps" for "asa" ever safe?
No - they are not even the same part of speech. "aps" is a pronoun and "asa" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "aps" or "asa" show up more?
"asa" is the more common of the two: it sits at frequency rank #18,157 in our Spanish list, against #39,057 for "aps". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "aps" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "asa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #71,383 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aps" and "asa" also get mixed up with nearby pairs, the highest-scored neighbour is "apis vs aps". Nearby pair

Confusion rank #71,383 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