regovsrenaConfusable pair

Which to use

“rego” and “rena” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#21,864
“rego” frequency rank
#33,157
“rena” frequency rank
55021
confusion score

Side-by-Side Comparison

Feature rego rena
Definition sulco que abre o arado 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 rego and rena

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. rego and rena follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
rego
4 ch
rena

Visual trap between rego and rena

A purely visual mix-up. rego (/ˈRe.ɡu/) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 55021, 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/. 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 55021, this pair ranks #10,865 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of rego vs rena

Shared letters: er. Private to "rego": go. Private to "rena": an.

"rego" · 4 letters · shape CVCV  ·  "rena" · 4 letters · shape CVCV

Known mistypes of this pair

  • rego ← ergo · reggo · reog · rgeo · rrego
  • rena ← erna · rean · renna · rnea · rrena

Frequently Asked Questions

Do "rego" and "rena" mean the same thing in a sentence?
No. They are said differently (/ˈRe.ɡu/ versus /ˈRe.nɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "rego" vs "rena" - which ranks higher?
"rego" is the more common of the two: it sits at frequency rank #21,864 in our Portuguese list, against #33,157 for "rena". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "rego" 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 #10,865 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rego" 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 #10,865 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list