armaçãovsarrumaçãoWhat's the difference?

Which to use

“armação” and “arrumação” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#12,177
“armação” frequency rank
#32,464
“arrumação” frequency rank
44641
confusion score

Side-by-Side Comparison

Feature armação arrumação
Definition ato ou efeito de armar efeito de arrumar

Where the eye mixes armação and arrumação

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. armação runs 7 letters (VCCVCVV) against arrumação's 9 (VCCVCVCVV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
armação
9 ch
arrumação

Why the eye confuses armação with arrumação

A purely visual mix-up. armação (/aχ.ma.ˈsɐ̃w/) and arrumação (/ɐ.Ru.mɐ.ˈsɐ̃w̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 44641, derived from the frequency rank of both members and their visual similarity.

armação is recorded at frequency rank #12,177, classified as anoun, pronounced /aχ.ma.ˈsɐ̃w/. arrumação is at rank #32,464, tagged as anoun, pronounced /ɐ.Ru.mɐ.ˈsɐ̃w̃/.

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 44641, this pair ranks #20,809 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of armação vs arrumação

Shared letters: amorãç. Private to "armação": -. Private to "arrumação": u.

"armação" · 7 letters · shape VCCVCVV  ·  "arrumação" · 9 letters · shape VCCVCVCVV

Frequently Asked Questions

Do "armação" and "arrumação" mean the same thing in a sentence?
No. They are said differently (/aχ.ma.ˈsɐ̃w/ versus /ɐ.Ru.mɐ.ˈsɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "armação" or "arrumação" show up more?
"armação" is the more common of the two: it sits at frequency rank #12,177 in our Portuguese list, against #32,464 for "arrumação". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "armação" and "arrumação" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "armação" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "arrumação" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,809 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "armação" and "arrumação" also get mixed up with nearby pairs, the highest-scored neighbour is "arrumação vs arrumado". Nearby pair

Confusion rank #20,809 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