arovsasnoWhat's the difference?

Which to use

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

#22,868
“aro” frequency rank
#40,433
“asno” frequency rank
63301
confusion score

Side-by-Side Comparison

Feature aro asno
Definition caixilho de madeira para os vãos das portas e janelas burro

Where the eye mixes aro and asno

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

3 ch
aro
4 ch
asno

Visual trap between aro and asno

A purely visual mix-up. aro (/ˈa.ɾu/) and asno (/ˈaʒ.nu/) 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 63301, derived from the frequency rank of both members and their visual similarity.

aro is recorded at frequency rank #22,868, classified as anoun, pronounced /ˈa.ɾu/. asno is at rank #40,433, tagged as anoun, pronounced /ˈaʒ.nu/.

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 63301, this pair ranks #6,260 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of aro vs asno

Shared letters: ao. Private to "aro": r. Private to "asno": ns.

"aro" · 3 letters · shape VCV  ·  "asno" · 4 letters · shape VCCV

Known mistypes of this pair

  • asnoanso · asnno · ason · assno · sano

Frequently Asked Questions

Do "aro" and "asno" mean the same thing in a sentence?
No. They are said differently (/ˈa.ɾu/ versus /ˈaʒ.nu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "aro" or "asno"?
"aro" is the more common of the two: it sits at frequency rank #22,868 in our Portuguese list, against #40,433 for "asno". 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 "aro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "asno" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,260 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "aro" and "asno" also get mixed up with nearby pairs, the highest-scored neighbour is "ASC vs asno". 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 #6,260 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list