Which to use
“régua” and “rena” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,702
- “régua” frequency rank
- #33,157
- “rena” frequency rank
- 51859
- confusion score
Side-by-Side Comparison
| Feature | régua | rena |
|---|---|---|
| Definition | instrumento de madeira, plástico ou qualquer outro material sólido com as faces planas e as arestas apropriadas para servirem de guia para se traçar linhas retas | mamífero da família dos cervídeos (Rangifer tarandus), encontrado no Norte da Europa, Ásia e América do Norte, onde habita a tundra ártica; com galhadas presentes nos dois sexos e cascos largos e planos, adaptados para a locomoção na neve; caribu |
Where the eye mixes régua and rena
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. régua runs 5 letters (CVCVV) against rena's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between régua and rena
A purely visual mix-up. régua (/ˈχɛ.gwə/) and rena (/ˈRe.nɐ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 51859, derived from the frequency rank of both members and their visual similarity.
régua is recorded at frequency rank #18,702, classified as anoun, pronounced /ˈχɛ.gwə/. rena is at rank #33,157, tagged as anoun, pronounced /ˈRe.nɐ/.
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 51859, this pair ranks #13,243 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of régua vs rena
Shared letters: ar. Private to "régua": gué. Private to "rena": en.
"régua" · 5 letters · shape CVCVV · "rena" · 4 letters · shape CVCV
Known mistypes of this pair
- rena ← erna · rean · renna · rnea · rrena
Frequently Asked Questions
Can "régua" and "rena" be used interchangeably?
Frequency check: "régua" vs "rena" - which ranks higher?
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 "régua" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rena" - compare definitions side by side with the headword page. Word entry
- This pair ranks #13,243 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "régua" and "rena" also get mixed up with nearby pairs, the highest-scored neighbour is "rena vs ruma". 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 #13,243 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.