muivsmuroWhat's the difference?

Quick tell: mui is a adverb, muro is a noun, so they fill different roles in a sentence.

Which to use

“mui” is an adverb and “muro” is a noun - they look or sound alike but fill different roles in a sentence.

#23,741
“mui” frequency rank
#4,664
“muro” frequency rank
28405
confusion score

Side-by-Side Comparison

Feature mui muro
Definition em alto grau construção comumente usada para separar terrenos

Where the eye mixes mui and muro

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
mui
4 ch
muro

Look-alike desk: mui vs muro

These two trip readers on the page rather than in the ear: mui is /ˈmũj/ while muro is /ˈmu.ɾu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 28405, derived from the frequency rank of both members and their visual similarity.

mui is recorded at frequency rank #23,741, classified as anadv, pronounced /ˈmũj/. muro is at rank #4,664, tagged as anoun, pronounced /ˈmu.ɾu/.

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 28405, this pair ranks #40,409 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mui vs muro

Shared letters: mu. Private to "mui": i. Private to "muro": or.

"mui" · 3 letters · shape CVV  ·  "muro" · 4 letters · shape CVCV

Known mistypes of this pair

  • murommuro · mruo · muor · umro

Frequently Asked Questions

Do "mui" and "muro" mean the same thing in a sentence?
No - they are not even the same part of speech. "mui" is an adverb and "muro" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mui" or "muro"?
"muro" is the more common of the two: it sits at frequency rank #4,664 in our Portuguese list, against #23,741 for "mui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "mui" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "muro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #40,409 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mui" and "muro" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs mui". 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 #40,409 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