arcovsareWhat's the difference?

Quick tell: arco is a noun, are is a verb, so they fill different roles in a sentence.

Which to use

“arco” is a noun and “are” is a verb - they look or sound alike but fill different roles in a sentence.

#3,609
“arco” frequency rank
#6,261
“are” frequency rank
9870
confusion score

Side-by-Side Comparison

Feature arco are
Definition Arma elaborada a partir de una barra material elástico amarrada por ambos extremos a una cuerda la cual se utiliza para impulsar flechas. Primera persona del singular (yo) del presente de subjuntivo de arar.

Where the eye mixes arco and are

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

4 ch
arco
3 ch
are

Why the eye confuses arco with are

These two trip readers on the page rather than in the ear: arco is [ˈaɾko] while are is [ˈaɾe]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 9870, 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]. are is at rank #6,261, tagged as averb, pronounced [ˈaɾe].

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 9870, this pair ranks #300,559 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of arco vs are

Shared letters: ar. Private to "arco": co. Private to "are": e.

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

Known mistypes of this pair

  • arcoarcco · aroc · arrco · raco

Frequently Asked Questions

Can "arco" and "are" be used interchangeably?
No - they are not even the same part of speech. "arco" is a noun and "are" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "arco" or "are"?
"arco" is the more common of the two: it sits at frequency rank #3,609 in our Spanish list, against #6,261 for "are". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "arco" and "are" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "arco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "are" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #300,559 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "arco" and "are" also get mixed up with nearby pairs, the highest-scored neighbour is "abed vs are". 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 #300,559 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