ruirvsrumarWhat's the difference?

Which to use

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

#34,026
“ruir” frequency rank
#43,139
“rumar” frequency rank
77165
confusion score

Side-by-Side Comparison

Feature ruir rumar
Definition desmoronar, desabar ir numa dada direção

Where the eye mixes ruir and rumar

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. ruir runs 4 letters (CVVC) against rumar's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
ruir
5 ch
rumar

Visual trap between ruir and rumar

A purely visual mix-up. ruir (/ˈRwiɾ/) and rumar (/Ru.ˈmaɾ/) 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 1 letter(s) in length. Our composite confusion score for this pair is 77165, derived from the frequency rank of both members and their visual similarity.

ruir is recorded at frequency rank #34,026, classified as averb, pronounced /ˈRwiɾ/. rumar is at rank #43,139, tagged as averb, pronounced /Ru.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 77165, this pair ranks #1,951 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ruir vs rumar

Shared letters: ru. Private to "ruir": i. Private to "rumar": am.

"ruir" · 4 letters · shape CVVC  ·  "rumar" · 5 letters · shape CVCVC

Known mistypes of this pair

  • ruir ← riur · rruir · ruirr · ruri · urir
  • rumar ← rmuar · rrumar · ruamr · rumarr · rummar · rumra · urmar

Frequently Asked Questions

Is swapping "ruir" for "rumar" ever safe?
No. They are said differently (/ˈRwiɾ/ versus /Ru.ˈmaɾ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "ruir" or "rumar" show up more?
"ruir" is the more common of the two: it sits at frequency rank #34,026 in our Portuguese list, against #43,139 for "rumar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ruir" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rumar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,951 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ruir" and "rumar" also get mixed up with nearby pairs, the highest-scored neighbour is "rimar vs rumar". 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 #1,951 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