AtomvsatrozTell them apart

Quick tell: Atom is a noun, atroz is an adjective, so they fill different roles in a sentence.

Which to use

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

#34,578
“Atom” frequency rank
#48,778
“atroz” frequency rank
83356
confusion score

Side-by-Side Comparison

Feature Atom atroz
Definition átomo. que não tem piedade, ímpeto; bárbaro; cruel

Where the eye mixes Atom and atroz

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Atom runs 4 letters (VCVC) against atroz's 5 (VCCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
Atom
5 ch
atroz

Look-alike desk: Atom vs atroz

These two trip readers on the page rather than in the ear: Atom is [a'toːm], Plural: [a'toːmə]. while atroz is /ɐ.ˈtɾɔʃ/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 83356, derived from the frequency rank of both members and their visual similarity.

Atom is recorded at frequency rank #34,578, classified as anoun, pronounced [a'toːm], Plural: [a'toːmə].. atroz is at rank #48,778, tagged as anadj, pronounced /ɐ.ˈtɾɔʃ/.

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 83356, this pair ranks #918 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of Atom vs atroz

Shared letters: aot. Private to "Atom": m. Private to "atroz": rz.

"Atom" · 4 letters · shape VCVC  ·  "atroz" · 5 letters · shape VCCVC

Known mistypes of this pair

  • Atomaotm · atmo · atomm · attom · taom
  • atrozartoz · atorz · atrozz · atrroz · atrzo · attroz · taroz

Frequently Asked Questions

Can "Atom" and "atroz" be used interchangeably?
No - they are not even the same part of speech. "Atom" is a noun and "atroz" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Atom" vs "atroz" - which ranks higher?
"Atom" is the more common of the two: it sits at frequency rank #34,578 in our Portuguese list, against #48,778 for "atroz". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Atom" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "atroz" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #918 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Atom" and "atroz" also get mixed up with nearby pairs, the highest-scored neighbour is "antro 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 #918 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