ÁrticovsatacoWhich spelling fits?

Quick tell: Ártico is a name, ataco is a verb, so they fill different roles in a sentence.

Which to use

“Ártico” is a name and “ataco” is a verb - they look or sound alike but fill different roles in a sentence.

#18,721
“Ártico” frequency rank
#40,141
“ataco” frequency rank
58862
confusion score

Side-by-Side Comparison

Feature Ártico ataco
Definition Zona que rodea al polo norte de la Tierra; incluye zonas deSuecia, Noruega, Finlandia, Rusia, Alaska, Canadá, Groenlandia, Islandia y el océano Ártico. Primera persona del singular (yo) del presente de indicativo de atacar.

Where the eye mixes Ártico and ataco

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Ártico runs 6 letters (VCCVCV) against ataco's 5 (VCVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
Ártico
5 ch
ataco

Visual trap between Ártico and ataco

These two trip readers on the page rather than in the ear: Ártico is [ˈaɾt̪iko] while ataco is [aˈt̪ako]. 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 (name vs verb), which is usually the fastest check. Our composite confusion score for this pair is 58862, derived from the frequency rank of both members and their visual similarity.

Ártico is recorded at frequency rank #18,721, classified as aname, pronounced [ˈaɾt̪iko]. ataco is at rank #40,141, tagged as averb, pronounced [aˈt̪ako].

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 58862, this pair ranks #64,863 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of Ártico vs ataco

Shared letters: cot. Private to "Ártico": irá. Private to "ataco": a.

"Ártico" · 6 letters · shape VCCVCV  ·  "ataco" · 5 letters · shape VCVCV

Known mistypes of this pair

  • atacoaatco · atacco · ataoc · atcao · attaco · taaco

Frequently Asked Questions

Can "Ártico" and "ataco" be used interchangeably?
No - they are not even the same part of speech. "Ártico" is a name and "ataco" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "Ártico" or "ataco" show up more?
"Ártico" is the more common of the two: it sits at frequency rank #18,721 in our Spanish list, against #40,141 for "ataco". 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 "Ártico" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ataco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #64,863 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Ártico" and "ataco" also get mixed up with nearby pairs, the highest-scored neighbour is "ataco vs ataron". 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 #64,863 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