aerovsapoConfusable pair

Which to use

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

#40,107
“aero” frequency rank
#44,553
“apo” frequency rank
84660
confusion score

Side-by-Side Comparison

Feature aero apo
Definition Aire. Tarea.

Where the eye mixes aero and apo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. aero runs 4 letters (VVCV) against apo's 3 (VCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
aero
3 ch
apo

Why the eye confuses aero with apo

A purely visual mix-up. aero (/aˈe.ro/) and apo (/aˈpo/) 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 84660, derived from the frequency rank of both members and their visual similarity.

aero is recorded at frequency rank #40,107, classified as anoun, pronounced /aˈe.ro/. apo is at rank #44,553, tagged as anoun, pronounced /aˈpo/.

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 84660, this pair ranks #6,835 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of aero vs apo

Shared letters: ao. Private to "aero": er. Private to "apo": p.

"aero" · 4 letters · shape VVCV  ·  "apo" · 3 letters · shape VCV

Known mistypes of this pair

  • aero ← aeor · aerro · areo · earo

Frequently Asked Questions

Is swapping "aero" for "apo" ever safe?
No. They are said differently (/aˈe.ro/ versus /aˈpo/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "aero" vs "apo" - which ranks higher?
"aero" is the more common of the two: it sits at frequency rank #40,107 in our Spanish list, against #44,553 for "apo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "aero" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "apo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,835 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aero" and "apo" also get mixed up with nearby pairs, the highest-scored neighbour is "apis vs apo". 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 #6,835 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