régia vs regra, What's the Difference?

Which to use

“régia” is an adjective and “regra” is a noun - they look or sound alike but fill different roles in a sentence.

#25,815
“régia” frequency rank: #2,594
“regra” frequency rank: 28409
confusion score

Side-by-Side Comparison

Feature	régia	regra
Definition	feminino de régio	preceito, norma ou lei

Where the spellings diverge

Shared letters are muted; the letters that actually set régia and regra apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch

régia

5 ch

regra

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: régia is anadjective and regraanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 28409, derived from the frequency rank of both members and their visual similarity.

régia is recorded at frequency rank #25,815, classified as anadj. regra is at rank #2,594, tagged as anoun, pronounced /ˈRɛ.ɡɾɐ/.

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 28409, this pair ranks #40,402 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of régia vs regra

Shared letters: agr. Private to "régia": ié. Private to "regra": e.

"régia" · 5 letters · shape CVCVV · "regra" · 5 letters · shape CVCCV

Known mistypes of this pair

regra ← ergra · reggra · regrra · rerga · rgera · rregra

Frequency comparison

régia#25,815

regra#2,594

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "régia" and "regra" be used interchangeably?

No - they are not even the same part of speech. "régia" is an adjective and "regra" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "régia" or "regra"?

"regra" is the more common of the two: it sits at frequency rank #2,594 in our Portuguese list, against #25,815 for "régia". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering régia vs regra

The fastest way to pick the right one every time.

Check the role first: if you need an adjective, it's “régia”; for a noun, it's “regra”.
See each word in full, definition, IPA, etymology and its other confusables. Full “régia” entry
Browse more pairs most likely to be confused. Most confusable