Which to use
“rat” and “roi” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #41,577
- “rat” frequency rank
- #35,242
- “roi” frequency rank
- 76819
- confusion score
Side-by-Side Comparison
| Feature | rat | roi |
|---|---|---|
| Definition | Rata | Rey. |
Where the eye mixes rat and roi
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. rat (CVC) and roi (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: rat vs roi
A purely visual mix-up. rat ([ɹæt]) and roi (/ʀwa/) 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 76819, derived from the frequency rank of both members and their visual similarity.
rat is recorded at frequency rank #41,577, classified as anoun, pronounced [ɹæt]. roi is at rank #35,242, tagged as anoun, pronounced /ʀwa/.
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 76819, this pair ranks #17,049 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of rat vs roi
Shared letters: r. Private to "rat": at. Private to "roi": io.
"rat" · 3 letters · shape CVC · "roi" · 3 letters · shape CVV
Frequently Asked Questions
Is swapping "rat" for "roi" ever safe?
Which is more common, "rat" or "roi"?
What to do next
Eye-level mix-up between "rat" and "roi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "rat" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "roi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #17,049 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "rat" and "roi" also get mixed up with nearby pairs, the highest-scored neighbour is "rasta vs rat". Nearby pair
Confusion rank #17,049 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.