ruirvsruivaWhat's the difference?

Quick tell: ruir is a verb, ruiva is a noun, so they fill different roles in a sentence.

Which to use

“ruir” is a verb and “ruiva” is a noun - they look or sound alike but fill different roles in a sentence.

#34,026
“ruir” frequency rank
#13,171
“ruiva” frequency rank
47197
confusion score

Side-by-Side Comparison

Feature ruir ruiva
Definition desmoronar, desabar mulher que tem cabelos avermelhados ou alaranjados

Letter map: ruir vs ruiva

Shared letters muted; letters that set ruir and ruiva apart highlighted. Shared run: 3. ruir runs 4 letters (CVVC) against ruiva's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
ruir
5 ch
ruiva

Part-of-speech tell for ruir / ruiva

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ruir is averb and ruivaanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 47197, 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/. ruiva is at rank #13,171, 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 47197, this pair ranks #18,076 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ruir vs ruiva

Shared letters: iru. Private to "ruir": -. Private to "ruiva": av.

"ruir" · 4 letters · shape CVVC  ·  "ruiva" · 5 letters · shape CVVCV

Known mistypes of this pair

  • ruir ← riur · rruir · ruirr · ruri · urir
  • ruiva ← riuva · rruiva · ruiav · ruivva · ruvia · uriva

Frequently Asked Questions

Do "ruir" and "ruiva" mean the same thing in a sentence?
No - they are not even the same part of speech. "ruir" is a verb and "ruiva" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ruir" or "ruiva"?
"ruiva" is the more common of the two: it sits at frequency rank #13,171 in our Portuguese list, against #34,026 for "ruir". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "ruir" and "ruiva".

  • Full dictionary entry for "ruir" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ruiva" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #18,076 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ruir" and "ruiva" also get mixed up with nearby pairs, the highest-scored neighbour is "ruir vs rust". 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 #18,076 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