atómicavsatómicosConfusable pair

Which to use

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

#12,977
“atómica” frequency rank
#48,229
“atómicos” frequency rank
61206
confusion score

Side-by-Side Comparison

Feature atómica atómicos
Definition Forma del femenino de atómico. Forma del plural de atómico.

Where the eye mixes atómica and atómicos

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. atómica runs 7 letters (VCVCVCV) against atómicos's 8 (VCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
atómica
8 ch
atómicos

Visual trap between atómica and atómicos

A purely visual mix-up. atómica ([aˈt̪omika]) and atómicos ([aˈt̪omikos]) 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 61206, derived from the frequency rank of both members and their visual similarity.

atómica is recorded at frequency rank #12,977, classified as anadj, pronounced [aˈt̪omika]. atómicos is at rank #48,229, tagged as anadj, pronounced [aˈt̪omikos].

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 61206, this pair ranks #56,276 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of atómica vs atómicos

Shared letters: acimtó. Private to "atómica": -. Private to "atómicos": os.

"atómica" · 7 letters · shape VCVCVCV  ·  "atómicos" · 8 letters · shape VCVCVCVC

Frequently Asked Questions

Is swapping "atómica" for "atómicos" ever safe?
No. They are said differently ([aˈt̪omika] versus [aˈt̪omikos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "atómica" or "atómicos"?
"atómica" is the more common of the two: it sits at frequency rank #12,977 in our Spanish list, against #48,229 for "atómicos". 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 "atómica" and "atómicos" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "atómica" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "atómicos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #56,276 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "atómica" and "atómicos" also get mixed up with nearby pairs, the highest-scored neighbour is "atómicas vs atómicos". Nearby pair

Confusion rank #56,276 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