Which to use
“am” is an article and “arma” is a noun - they look or sound alike but fill different roles in a sentence.
- #2,705
- “am” frequency rank
- #1,913
- “arma” frequency rank
- 4618
- confusion score
Side-by-Side Comparison
| Feature | am | arma |
|---|---|---|
| Definition | o / a usado com substantivos masculinos no caso nominativo singular quando a palavra começar com as letra b, f, m, p | instrumento usado para ataque e defesa |
Letter map: am vs arma
Shared letters muted; letters that set am and arma apart highlighted. Shared run: 2.
Part-of-speech tell for am / arma
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: am is anarticle and armaanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 4618, derived from the frequency rank of both members and their visual similarity.
am is recorded at frequency rank #2,705, classified as anarticle. arma is at rank #1,913, tagged as anoun, pronounced /ˈaɾmɐ/.
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 4618, this pair ranks #70,229 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of am vs arma
Shared letters: am. Private to "am": -. Private to "arma": r.
"am" · 2 letters · shape VC · "arma" · 4 letters · shape VCCV
Known mistypes of this pair
- arma ← amra · aram · armma · arrma
Frequently Asked Questions
Is swapping "am" for "arma" ever safe?
Frequency check: "am" vs "arma" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "am" and "arma".
- Full dictionary entry for "am" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arma" - compare definitions side by side with the headword page. Word entry
- This pair ranks #70,229 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "am" and "arma" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs am". 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 #70,229 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.