Which to use
“rubí” is a noun and “ruz” is an adjective - they look or sound alike but fill different roles in a sentence.
- #26,223
- “rubí” frequency rank
- #33,326
- “ruz” frequency rank
- 59549
- confusion score
Side-by-Side Comparison
| Feature | rubí | ruz |
|---|---|---|
| Definition | Gema de color rojo, variedad del corindón, muy utilizada en joyerías. | Rojo. |
Where the eye mixes rubí and ruz
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. rubí runs 4 letters (CVCV) against ruz's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses rubí with ruz
These two trip readers on the page rather than in the ear: rubí is [ruˈβ̞i] while ruz is [ˈryːs]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 59549, derived from the frequency rank of both members and their visual similarity.
rubí is recorded at frequency rank #26,223, classified as anoun, pronounced [ruˈβ̞i]. ruz is at rank #33,326, tagged as anadj, pronounced [ˈryːs].
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 59549, this pair ranks #62,188 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of rubí vs ruz
Shared letters: ru. Private to "rubí": bí. Private to "ruz": z.
"rubí" · 4 letters · shape CVCV · "ruz" · 3 letters · shape CVC
Frequently Asked Questions
Do "rubí" and "ruz" mean the same thing in a sentence?
In ordinary Spanish text, does "rubí" or "ruz" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "rubí" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ruz" - compare definitions side by side with the headword page. Word entry
- This pair ranks #62,188 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "rubí" and "ruz" also get mixed up with nearby pairs, the highest-scored neighbour is "rulo vs ruz". Nearby pair
Confusion rank #62,188 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.