armvsarmarConfusable pair

Quick tell: arm is a adjective, armar is a verb, so they fill different roles in a sentence.

Which to use

“arm” is an adjective and “armar” is a verb - they look or sound alike but fill different roles in a sentence.

#27,355
“arm” frequency rank
#16,935
“armar” frequency rank
44290
confusion score

Side-by-Side Comparison

Feature arm armar
Definition pobre prover de armas

Where the eye mixes arm and armar

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
arm
5 ch
armar

Why the eye confuses arm with armar

These two trip readers on the page rather than in the ear: arm is /aʁm/ ouvir^(fonte ?) while armar is /ɐɾ.ˈmaɾ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “arm” sits inside “armar”, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 44290, 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 ?). armar is at rank #16,935, tagged as averb, pronounced /ɐɾ.ˈmaɾ/.

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 44290, this pair ranks #21,214 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of arm vs armar

Shared letters: amr. Private to "arm": -. Private to "armar": -.

"arm" · 3 letters · shape VCC  ·  "armar" · 5 letters · shape VCCVC

Known mistypes of this pair

  • armaramrar · aramr · armarr · armmar · armra · arrmar · ramar

Frequently Asked Questions

Is swapping "arm" for "armar" ever safe?
No - they are not even the same part of speech. "arm" is an adjective and "armar" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "arm" or "armar"?
"armar" is the more common of the two: it sits at frequency rank #16,935 in our Portuguese list, against #27,355 for "arm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "arm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "armar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,214 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "arm" and "armar" 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 #21,214 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