Which to use
“rego” is a noun and “rojo” is an adjective - they look or sound alike but fill different roles in a sentence.
- #21,864
- “rego” frequency rank
- #29,505
- “rojo” frequency rank
- 51369
- confusion score
Side-by-Side Comparison
| Feature | rego | rojo |
|---|---|---|
| Definition | sulco que abre o arado | vermelho |
Letter map: rego vs rojo
Shared letters muted; letters that set rego and rojo apart highlighted. Shared run: 2. rego and rojo follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.
Part-of-speech tell for rego / rojo
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: rego is anoun and rojoanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51369, derived from the frequency rank of both members and their visual similarity.
rego is recorded at frequency rank #21,864, classified as anoun, pronounced /ˈRe.ɡu/. rojo is at rank #29,505, tagged as anadj.
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 51369, this pair ranks #13,662 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of rego vs rojo
Shared letters: or. Private to "rego": eg. Private to "rojo": j.
"rego" · 4 letters · shape CVCV · "rojo" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "rego" for "rojo" ever safe?
In ordinary Portuguese text, does "rego" or "rojo" show up more?
What to do next
You've compared "rego" and "rojo". Here's where to go from here.
- Full dictionary entry for "rego" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rojo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #13,662 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "rego" and "rojo" also get mixed up with nearby pairs, the highest-scored neighbour is "robe vs rojo". 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 #13,662 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.