Which to use
“roi” and “rum” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #35,242
- “roi” frequency rank
- #42,680
- “rum” frequency rank
- 77922
- confusion score
Side-by-Side Comparison
| Feature | roi | rum |
|---|---|---|
| Definition | Rey. | Ron. |
Where the eye mixes roi and rum
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. roi (CVV) and rum (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: roi vs rum
A purely visual mix-up. roi (/ʀwa/) and rum ([rʌm]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 77922, derived from the frequency rank of both members and their visual similarity.
roi is recorded at frequency rank #35,242, classified as anoun, pronounced /ʀwa/. rum is at rank #42,680, tagged as anoun, pronounced [rʌm].
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 77922, this pair ranks #15,229 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of roi vs rum
Shared letters: r. Private to "roi": io. Private to "rum": mu.
"roi" · 3 letters · shape CVV · "rum" · 3 letters · shape CVC
Frequently Asked Questions
Can "roi" and "rum" be used interchangeably?
Which is more common, "roi" or "rum"?
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 "roi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rum" - compare definitions side by side with the headword page. Word entry
- This pair ranks #15,229 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "roi" and "rum" also get mixed up with nearby pairs, the highest-scored neighbour is "rulo vs rum". Nearby pair
Confusion rank #15,229 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.