Which to use
“raiar” and “ruir” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #37,986
- “raiar” frequency rank
- #34,026
- “ruir” frequency rank
- 72012
- confusion score
Side-by-Side Comparison
| Feature | raiar | ruir |
|---|---|---|
| Definition | emitir raios | desmoronar, desabar |
Where the eye mixes raiar and ruir
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. raiar runs 5 letters (CVVVC) against ruir's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses raiar with ruir
A purely visual mix-up. raiar (/Raj.ˈaɾ/) and ruir (/ˈRwiɾ/) 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 72012, derived from the frequency rank of both members and their visual similarity.
raiar is recorded at frequency rank #37,986, classified as averb, pronounced /Raj.ˈaɾ/. ruir is at rank #34,026, tagged as averb, pronounced /ˈRwiɾ/.
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 72012, this pair ranks #3,187 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of raiar vs ruir
Shared letters: ir. Private to "raiar": a. Private to "ruir": u.
"raiar" · 5 letters · shape CVVVC · "ruir" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "raiar" for "ruir" ever safe?
Frequency check: "raiar" vs "ruir" - which ranks higher?
After this comparison
Eye-level mix-up between "raiar" and "ruir" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "raiar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ruir" - compare definitions side by side with the headword page. Word entry
- This pair ranks #3,187 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "raiar" and "ruir" also get mixed up with nearby pairs, the highest-scored neighbour is "raiar vs rimar". 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 #3,187 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.