Which to use
“rex” is a noun and “roer” is a verb - they look or sound alike but fill different roles in a sentence.
- #12,766
- “rex” frequency rank
- #25,138
- “roer” frequency rank
- 37904
- confusion score
Side-by-Side Comparison
| Feature | rex | roer |
|---|---|---|
| Definition | cachorro | triturar com os dentes; destruir |
Letter map: rex vs roer
Shared letters muted; letters that set rex and roer apart highlighted. Shared run: 2.
Part-of-speech tell for rex / roer
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: rex is anoun and roeraverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 37904, derived from the frequency rank of both members and their visual similarity.
rex is recorded at frequency rank #12,766, classified as anoun. roer is at rank #25,138, tagged as averb, pronounced /ˈRweɾ/.
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 37904, this pair ranks #28,644 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rex vs roer
Shared letters: er. Private to "rex": x. Private to "roer": o.
"rex" · 3 letters · shape CVC · "roer" · 4 letters · shape CVVC
Known mistypes of this pair
- roer ← orer · reor · roerr · rore · rroer
Frequently Asked Questions
Is swapping "rex" for "roer" ever safe?
In ordinary Portuguese text, does "rex" or "roer" show up more?
After this comparison
Done with this confusable. These links stay specific to "rex" and "roer".
- Full dictionary entry for "rex" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "roer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #28,644 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "rex" and "roer" also get mixed up with nearby pairs, the highest-scored neighbour is "robe vs roer". 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 #28,644 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.