agriovsarcoWhich spelling fits?

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

Which to use

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

#36,386
“agrio” frequency rank
#3,609
“arco” frequency rank
39995
confusion score

Side-by-Side Comparison

Feature agrio arco
Definition Que tiene sabor u olor ácido, como el del limón o el vinagre, producido por la concentración de iones hidronios. Arma elaborada a partir de una barra material elástico amarrada por ambos extremos a una cuerda la cual se utiliza para impulsar flechas.

Where the eye mixes agrio and arco

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
agrio
4 ch
arco

Look-alike desk: agrio vs arco

These two trip readers on the page rather than in the ear: agrio is [ˈaɣ̞ɾjo] while arco is [ˈaɾko]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39995, derived from the frequency rank of both members and their visual similarity.

agrio is recorded at frequency rank #36,386, classified as anadj, pronounced [ˈaɣ̞ɾjo]. arco is at rank #3,609, tagged as anoun, pronounced [ˈaɾko].

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 39995, this pair ranks #161,491 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of agrio vs arco

Shared letters: aor. Private to "agrio": gi. Private to "arco": c.

"agrio" · 5 letters · shape VCCVV  ·  "arco" · 4 letters · shape VCCV

Known mistypes of this pair

  • agrioaggrio · agiro · agroi · agrrio · argio · gario
  • arcoarcco · aroc · arrco · raco

Frequently Asked Questions

Do "agrio" and "arco" mean the same thing in a sentence?
No - they are not even the same part of speech. "agrio" is an adjective and "arco" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "agrio" or "arco"?
"arco" is the more common of the two: it sits at frequency rank #3,609 in our Spanish list, against #36,386 for "agrio". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "agrio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "arco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #161,491 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "agrio" and "arco" also get mixed up with nearby pairs, the highest-scored neighbour is "agobio vs agrio". 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 #161,491 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