rádiovsraroWhich spelling fits?

Quick tell: rádio is a noun, raro is an adjective, so they fill different roles in a sentence.

Which to use

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

#857
“rádio” frequency rank
#4,588
“raro” frequency rank
5445
confusion score

Side-by-Side Comparison

Feature rádio raro
Definition elemento químico de símbolo Ra, possui o número atômico 88 e massa atômica relativa 226,025 u; é um metal alcalino terroso, branco prateado, altamente radioativo; ocorre em todos os minérios de urânio, e é produzido por decaimento radioativo; é utilizado na medicina para tratamento de câncer e, em laboratórios, como fonte de neutrons para análise de materiais que existe em pouca quantidade, pouco numeroso

Letter map: rádio vs raro

Shared letters muted; letters that set rádio and raro apart highlighted. Shared run: 2.

5 ch
rádio
4 ch
raro

Part-of-speech tell for rádio / raro

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: rádio is anoun and raroanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 5445, derived from the frequency rank of both members and their visual similarity.

rádio is recorded at frequency rank #857, classified as anoun. raro is at rank #4,588, tagged as anadj, pronounced /ˈRa.ɾu/.

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 5445, this pair ranks #69,172 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of rádio vs raro

Shared letters: or. Private to "rádio": diá. Private to "raro": a.

"rádio" · 5 letters · shape CVCVV  ·  "raro" · 4 letters · shape CVCV

Known mistypes of this pair

  • raroarro · raor · rarro · rrao · rraro

Frequently Asked Questions

Do "rádio" and "raro" mean the same thing in a sentence?
No - they are not even the same part of speech. "rádio" is a noun and "raro" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "rádio" vs "raro" - which ranks higher?
"rádio" is the more common of the two: it sits at frequency rank #857 in our Portuguese list, against #4,588 for "raro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "rádio" and "raro". Here's where to go from here.

  • Full dictionary entry for "rádio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "raro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,172 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rádio" and "raro" also get mixed up with nearby pairs, the highest-scored neighbour is "rabi vs raro". 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 #69,172 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