Which to use
“ruir” and “run” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #34,026
- “ruir” frequency rank
- #8,681
- “run” frequency rank
- 42707
- confusion score
Side-by-Side Comparison
| Feature | ruir | run |
|---|---|---|
| Definition | desmoronar, desabar | correr |
Where the eye mixes ruir and run
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses ruir with run
A purely visual mix-up. ruir (/ˈRwiɾ/) and run (/ˈɹʌn/) 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 42707, 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/. run is at rank #8,681, tagged as averb, pronounced /ˈɹʌn/.
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 42707, this pair ranks #23,037 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ruir vs run
Shared letters: ru. Private to "ruir": i. Private to "run": n.
"ruir" · 4 letters · shape CVVC · "run" · 3 letters · shape CVC
Known mistypes of this pair
- ruir ← riur · rruir · ruirr · ruri · urir
Frequently Asked Questions
Is swapping "ruir" for "run" ever safe?
In ordinary Portuguese text, does "ruir" or "run" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ruir" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "run" - compare definitions side by side with the headword page. Word entry
- This pair ranks #23,037 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ruir" and "run" 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 #23,037 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.