Which to use
“arm” is an adjective and “armas” is a noun - they look or sound alike but fill different roles in a sentence.
- #27,355
- “arm” frequency rank
- #906
- “armas” frequency rank
- 28261
- confusion score
Side-by-Side Comparison
| Feature | arm | armas |
|---|---|---|
| Definition | pobre | plural de arma |
Letter map: arm vs armas
Shared letters muted; letters that set arm and armas apart highlighted. Shared run: 3. arm runs 3 letters (VCC) against armas's 5 (VCCVC) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: arm vs armas
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: arm is anadjective and armasanoun. On the page they differ by 2 extra letter(s) - “arm” sits inside “armas”. Our composite confusion score for this pair is 28261, derived from the frequency rank of both members and their visual similarity.
arm is recorded at frequency rank #27,355, classified as anadj, pronounced /aʁm/ ouvir^(fonte ?). armas is at rank #906, tagged as anoun.
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 28261, this pair ranks #40,562 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of arm vs armas
Shared letters: amr. Private to "arm": -. Private to "armas": s.
"arm" · 3 letters · shape VCC · "armas" · 5 letters · shape VCCVC
Known mistypes of this pair
- armas ← amras · arams · armass · armmas · armsa · arrmas · ramas
Frequently Asked Questions
Is swapping "arm" for "armas" ever safe?
Which is more common, "arm" or "armas"?
After this comparison
Pair "arm" vs "armas" is on the table, pick a follow-up below.
- Full dictionary entry for "arm" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "armas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #40,562 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "arm" and "armas" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs arm". 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 #40,562 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.