amvsAtomWhat's the difference?

Quick tell: am is a article, Atom is a noun, so they fill different roles in a sentence.

Which to use

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

#2,705
“am” frequency rank
#34,578
“Atom” frequency rank
37283
confusion score

Side-by-Side Comparison

Feature am Atom
Definition o / a usado com substantivos masculinos no caso nominativo singular quando a palavra começar com as letra b, f, m, p átomo.

Letter map: am vs Atom

Shared letters muted; letters that set am and Atom apart highlighted. Shared run: 2.

2 ch
am
4 ch
Atom

Role in the sentence - am and Atom

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: am is anarticle and Atomanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 37283, derived from the frequency rank of both members and their visual similarity.

am is recorded at frequency rank #2,705, classified as anarticle. 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 37283, this pair ranks #29,364 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of am vs Atom

Shared letters: am. Private to "am": -. Private to "Atom": ot.

"am" · 2 letters · shape VC  ·  "Atom" · 4 letters · shape VCVC

Known mistypes of this pair

  • Atomaotm · atmo · atomm · attom · taom

Frequently Asked Questions

Do "am" and "Atom" mean the same thing in a sentence?
No - they are not even the same part of speech. "am" is an article and "Atom" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "am" vs "Atom" - which ranks higher?
"am" is the more common of the two: it sits at frequency rank #2,705 in our Portuguese list, against #34,578 for "Atom". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "am" and "Atom". Here's where to go from here.

  • Full dictionary entry for "am" 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 #29,364 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "am" 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 #29,364 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