altasvsaptaWhich spelling fits?

Which to use

“altas” and “apta” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,327
“altas” frequency rank
#20,890
“apta” frequency rank
23217
confusion score

Side-by-Side Comparison

Feature altas apta
Definition Forma del femenino plural de alto. Forma del femenino singular de apto.

Where the eye mixes altas and apta

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

5 ch
altas
4 ch
apta

Look-alike desk: altas vs apta

A purely visual mix-up. altas ([ˈal̪t̪as]) and apta ([ˈapt̪a]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 23217, derived from the frequency rank of both members and their visual similarity.

altas is recorded at frequency rank #2,327, classified as anadj, pronounced [ˈal̪t̪as]. apta is at rank #20,890, tagged as anadj, pronounced [ˈapt̪a].

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 23217, this pair ranks #246,811 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of altas vs apta

Shared letters: at. Private to "altas": ls. Private to "apta": p.

"altas" · 5 letters · shape VCCVC  ·  "apta" · 4 letters · shape VCCV

Known mistypes of this pair

  • altasalats · alltas · altass · altsa · alttas
  • aptaapat · appta · aptta

Frequently Asked Questions

Can "altas" and "apta" be used interchangeably?
No. They are said differently ([ˈal̪t̪as] versus [ˈapt̪a]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "altas" or "apta"?
"altas" is the more common of the two: it sits at frequency rank #2,327 in our Spanish list, against #20,890 for "apta". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "altas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "apta" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #246,811 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "altas" and "apta" also get mixed up with nearby pairs, the highest-scored neighbour is "apis vs apta". 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 #246,811 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