Which to use
“rex” is a noun and “roxo” is an adjective - they look or sound alike but fill different roles in a sentence.
- #12,766
- “rex” frequency rank
- #8,106
- “roxo” frequency rank
- 20872
- confusion score
Side-by-Side Comparison
| Feature | rex | roxo |
|---|---|---|
| Definition | cachorro | que tem uma cor que resulta da junção do encarnado com o azul |
Letter map: rex vs roxo
Shared letters muted; letters that set rex and roxo apart highlighted. Shared run: 2.
Part-of-speech tell for rex / roxo
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: rex is anoun and roxoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20872, derived from the frequency rank of both members and their visual similarity.
rex is recorded at frequency rank #12,766, classified as anoun. roxo is at rank #8,106, tagged as anadj, pronounced /ˈRo.ʃu/.
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 20872, this pair ranks #49,542 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rex vs roxo
Shared letters: rx. Private to "rex": e. Private to "roxo": o.
"rex" · 3 letters · shape CVC · "roxo" · 4 letters · shape CVCV
Known mistypes of this pair
- roxo ← orxo · roox · roxxo · rroxo · rxoo
Frequently Asked Questions
Do "rex" and "roxo" mean the same thing in a sentence?
Which is more common, "rex" or "roxo"?
What to do next
You've compared "rex" and "roxo". Here's where to go from here.
- Full dictionary entry for "rex" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "roxo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #49,542 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "rex" and "roxo" also get mixed up with nearby pairs, the highest-scored neighbour is "revi vs rex". 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 #49,542 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.