atomvsatúnConfusable pair

Which to use

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

#41,200
“atom” frequency rank
#12,765
“atún” frequency rank
53965
confusion score

Side-by-Side Comparison

Feature atom atún
Definition Átomo. (Thunnus spp.) Cualquiera de una docena de especies de peces oceánicos de la familia de los escómbridos, grandes nadadores y de gran tamaño; su carne, muy apreciada como alimento, es de color rojo intenso, excepcional entre los peces, por su alto contenido de mioglobina. Varias especies están en riesgo de extinción por la sobrepesca.

Where the eye mixes atom and atún

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

4 ch
atom
4 ch
atún

Visual trap between atom and atún

A purely visual mix-up. atom (/ˈɑ.tom/) and atún ([aˈt̪ũn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 53965, derived from the frequency rank of both members and their visual similarity.

atom is recorded at frequency rank #41,200, classified as anoun, pronounced /ˈɑ.tom/. atún is at rank #12,765, tagged as anoun, pronounced [aˈt̪ũn].

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 53965, this pair ranks #85,415 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of atom vs atún

Shared letters: at. Private to "atom": mo. Private to "atún": .

"atom" · 4 letters · shape VCVC  ·  "atún" · 4 letters · shape VCVC

Known mistypes of this pair

  • atomaotm · atmo · atomm · attom · taom

Frequently Asked Questions

Can "atom" and "atún" be used interchangeably?
No. They are said differently (/ˈɑ.tom/ versus [aˈt̪ũn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "atom" or "atún" show up more?
"atún" is the more common of the two: it sits at frequency rank #12,765 in our Spanish list, against #41,200 for "atom". 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 "atom" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "atún" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #85,415 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "atom" and "atún" also get mixed up with nearby pairs, the highest-scored neighbour is "atl vs atom". 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 #85,415 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