ré vs rex, What's the Difference?

Which to use

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

#9,922
“ré” frequency rank: #12,766
“rex” frequency rank: 22688
confusion score

Side-by-Side Comparison

Feature	ré	rex
Definition	segunda nota musical da escala de dó maior	cachorro

Letter map: ré vs rex

Shared letters muted; letters that set ré and rex apart highlighted. Shared run: 1.

2 ch

ré

3 ch

rex

Spelling & dictionary notes on ré vs rex

ré and rex are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 22688, derived from the frequency rank of both members and their visual similarity.

ré is recorded at frequency rank #9,922, classified as anoun, pronounced /ˈRɛ/. rex is at rank #12,766, tagged as anoun.

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 22688, this pair ranks #47,307 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ré vs rex

Shared letters: r. Private to "ré": é. Private to "rex": ex.

"ré" · 2 letters · shape CV · "rex" · 3 letters · shape CVC

Frequently Asked Questions

Do "ré" and "rex" mean the same thing in a sentence?

No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Which is more common, "ré" or "rex"?

"ré" is the more common of the two: it sits at frequency rank #9,922 in our Portuguese list, against #12,766 for "rex". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "ré" vs "rex" is on the table, pick a follow-up below.

Full dictionary entry for "ré" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "rex" - compare definitions side by side with the headword page. Word entry
This pair ranks #47,307 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"ré" and "rex" also get mixed up with nearby pairs, the highest-scored neighbour is "revi vs rex". Nearby pair

Confusion rank #47,307 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.