aptasvsAsasTell them apart

Quick tell: aptas is a adjective, Asas is a name, so they fill different roles in a sentence.

Which to use

“aptas” is an adjective and “Asas” is a name - they look or sound alike but fill different roles in a sentence.

#26,704
“aptas” frequency rank
#39,064
“Asas” frequency rank
65768
confusion score

Side-by-Side Comparison

Feature aptas Asas
Definition Forma del femenino plural de apto. Apellido.

Where the eye mixes aptas and Asas

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
aptas
4 ch
Asas

Visual trap between aptas and Asas

These two trip readers on the page rather than in the ear: aptas is [ˈapt̪as] while Asas is [ˈasas]. 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 (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 65768, derived from the frequency rank of both members and their visual similarity.

aptas is recorded at frequency rank #26,704, classified as anadj, pronounced [ˈapt̪as]. Asas is at rank #39,064, tagged as aname, pronounced [ˈasas].

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 65768, this pair ranks #41,666 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of aptas vs Asas

Shared letters: as. Private to "aptas": pt. Private to "Asas": -.

"aptas" · 5 letters · shape VCCVC  ·  "Asas" · 4 letters · shape VCVC

Known mistypes of this pair

  • aptasapats · apptas · aptass · aptsa · apttas
  • Asasaass · asass · assa · assas · saas

Frequently Asked Questions

Is swapping "aptas" for "Asas" ever safe?
No - they are not even the same part of speech. "aptas" is an adjective and "Asas" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "aptas" or "Asas" show up more?
"aptas" is the more common of the two: it sits at frequency rank #26,704 in our Spanish list, against #39,064 for "Asas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "aptas" and "Asas" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "aptas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Asas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #41,666 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aptas" and "Asas" also get mixed up with nearby pairs, the highest-scored neighbour is "apis vs Asas". 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 #41,666 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