Which to use
“rex” is a noun and “ruz” is an adjective - they look or sound alike but fill different roles in a sentence.
- #13,343
- “rex” frequency rank
- #33,326
- “ruz” frequency rank
- 46669
- confusion score
Side-by-Side Comparison
| Feature | rex | ruz |
|---|---|---|
| Definition | Rey, monarca. | Rojo. |
Where the eye mixes rex and ruz
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between rex and ruz
These two trip readers on the page rather than in the ear: rex is /ˈreːks/ while ruz is [ˈryːs]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 46669, derived from the frequency rank of both members and their visual similarity.
rex is recorded at frequency rank #13,343, classified as anoun, pronounced /ˈreːks/. 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 46669, this pair ranks #124,448 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rex vs ruz
Shared letters: r. Private to "rex": ex. Private to "ruz": uz.
"rex" · 3 letters · shape CVC · "ruz" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "rex" for "ruz" ever safe?
Which is more common, "rex" or "ruz"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "rex" 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 #124,448 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "rex" and "ruz" also get mixed up with nearby pairs, the highest-scored neighbour is "rulo vs ruz". Nearby pair
Confusion rank #124,448 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.