açovsAtomWhat's the difference?

Which to use

“aço” and “Atom” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,209
“aço” frequency rank
#34,578
“Atom” frequency rank
38787
confusion score

Side-by-Side Comparison

Feature aço Atom
Definition liga composta principalmente de ferro e carbono utilizada para a fabricação de utensílios, armas, veículos e uma infinidade de outros objetos da vida moderna átomo.

Where the eye mixes aço and Atom

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

3 ch
aço
4 ch
Atom

Why the eye confuses aço with Atom

A purely visual mix-up. aço (/ˈa.su/) and Atom ([a'toːm], Plural: [a'toːmə].) 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 38787, derived from the frequency rank of both members and their visual similarity.

aço is recorded at frequency rank #4,209, classified as anoun, pronounced /ˈa.su/. Atom is at rank #34,578, tagged as anoun, pronounced [a'toːm], Plural: [a'toːmə]..

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 38787, this pair ranks #27,595 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aço vs Atom

Shared letters: ao. Private to "aço": ç. Private to "Atom": mt.

"aço" · 3 letters · shape VCV  ·  "Atom" · 4 letters · shape VCVC

Known mistypes of this pair

  • Atomaotm · atmo · atomm · attom · taom

Frequently Asked Questions

Is swapping "aço" for "Atom" ever safe?
No. They are said differently (/ˈa.su/ versus [a'toːm], Plural: [a'toːmə].) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "aço" or "Atom" show up more?
"aço" is the more common of the two: it sits at frequency rank #4,209 in our Portuguese list, against #34,578 for "Atom". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "aço" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Atom" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,595 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "aço" and "Atom" also get mixed up with nearby pairs, the highest-scored neighbour is "Atom vs atroz". 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 #27,595 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list