arcovsariTell them apart

Which to use

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

#3,609
“arco” frequency rank
#18,154
“ari” frequency rank
21763
confusion score

Side-by-Side Comparison

Feature arco ari
Definition Arma elaborada a partir de una barra material elástico amarrada por ambos extremos a una cuerda la cual se utiliza para impulsar flechas. (familia Ursidae) Oso.

Where the eye mixes arco and ari

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

4 ch
arco
3 ch
ari

Why the eye confuses arco with ari

A purely visual mix-up. arco ([ˈaɾko]) and ari ([aˈɾi]) 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 21763, derived from the frequency rank of both members and their visual similarity.

arco is recorded at frequency rank #3,609, classified as anoun, pronounced [ˈaɾko]. ari is at rank #18,154, tagged as anoun, pronounced [aˈɾi].

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 21763, this pair ranks #253,451 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of arco vs ari

Shared letters: ar. Private to "arco": co. Private to "ari": i.

"arco" · 4 letters · shape VCCV  ·  "ari" · 3 letters · shape VCV

Known mistypes of this pair

  • arcoarcco · aroc · arrco · raco

Frequently Asked Questions

Can "arco" and "ari" be used interchangeably?
No. They are said differently ([ˈaɾko] versus [aˈɾi]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "arco" or "ari"?
"arco" is the more common of the two: it sits at frequency rank #3,609 in our Spanish list, against #18,154 for "ari". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "arco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ari" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #253,451 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "arco" and "ari" also get mixed up with nearby pairs, the highest-scored neighbour is "apis vs ari". 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 #253,451 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