amvsaptWhat's the difference?

Quick tell: am is a article, apt is an adjective, so they fill different roles in a sentence.

Which to use

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

#2,705
“am” frequency rank
#41,338
“apt” frequency rank
44043
confusion score

Side-by-Side Comparison

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

Letter map: am vs apt

Shared letters muted; letters that set am and apt apart highlighted. Shared run: 1. am runs 2 letters (VC) against apt's 3 (VCC) - the length gap alone is often enough to separate them once you know to check it.

2 ch
am
3 ch
apt

Role in the sentence - am and apt

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: am is anarticle and aptanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44043, derived from the frequency rank of both members and their visual similarity.

am is recorded at frequency rank #2,705, classified as anarticle. apt is at rank #41,338, tagged as anadj, pronounced /æpt/.

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 44043, this pair ranks #21,500 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of am vs apt

Shared letters: a. Private to "am": m. Private to "apt": pt.

"am" · 2 letters · shape VC  ·  "apt" · 3 letters · shape VCC

Frequently Asked Questions

Can "am" and "apt" be used interchangeably?
No - they are not even the same part of speech. "am" is an article and "apt" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "am" or "apt" show up more?
"am" is the more common of the two: it sits at frequency rank #2,705 in our Portuguese list, against #41,338 for "apt". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "am" vs "apt" is on the table, pick a follow-up below.

  • Full dictionary entry for "am" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "apt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,500 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "am" and "apt" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs apt". Nearby pair

Confusion rank #21,500 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