apiovsaroTell them apart

Which to use

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

#29,034
“apio” frequency rank
#14,762
“aro” frequency rank
43796
confusion score

Side-by-Side Comparison

Feature apio aro
Definition (Apium graveolens) Planta anual herbácea, de la familia de las apiáceas, que alcanza 1 m de altura, con tallos gruesos y carnosos, hojas pinnadas o bipinnadas con foliolos en forma de rombo, flores en umbela, de color blanco o amarillento y muy pequeñas, y frutos ovoides de hasta 2 mm de diámetro. Se cultiva desde la Antigüedad por sus pencas comestibles y sus raíces, así como por el aceite esencial que se obtiene de sus frutos Planta perenne de la familia de las aroideas, con raíz tuberculosa y feculenta, de la cual salen las hojas, que son sagitales, lisas, grandes y de color verde oscuro manchado a veces de negro; con bohordo central, de tres a cuatro decímetros de altura, con espata larga y amarillenta que envuelve flores sin cáliz ni corola; espádice purpúreo prolongado en figura de maza, y frutos del color y tamaño de la grosella.

Where the eye mixes apio and aro

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

4 ch
apio
3 ch
aro

Visual trap between apio and aro

A purely visual mix-up. apio ([ˈapjo]) and aro ([ˈaɾo]) 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 43796, derived from the frequency rank of both members and their visual similarity.

apio is recorded at frequency rank #29,034, classified as anoun, pronounced [ˈapjo]. aro is at rank #14,762, tagged as anoun, pronounced [ˈaɾo].

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 43796, this pair ranks #140,655 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of apio vs aro

Shared letters: ao. Private to "apio": ip. Private to "aro": r.

"apio" · 4 letters · shape VCVV  ·  "aro" · 3 letters · shape VCV

Known mistypes of this pair

  • apioaipo · apoi · appio · paio

Frequently Asked Questions

Can "apio" and "aro" be used interchangeably?
No. They are said differently ([ˈapjo] versus [ˈaɾo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "apio" or "aro"?
"aro" is the more common of the two: it sits at frequency rank #14,762 in our Spanish list, against #29,034 for "apio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "apio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #140,655 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "apio" and "aro" also get mixed up with nearby pairs, the highest-scored neighbour is "apio vs apis". 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 #140,655 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