Which to use
“Radio” is a noun and “Rio” is a name - they look or sound alike but fill different roles in a sentence.
- #1,782
- “Radio” frequency rank
- #4,154
- “Rio” frequency rank
- 5936
- confusion score
Side-by-Side Comparison
| Feature | Radio | Rio |
|---|---|---|
| Definition | ein elektronisches Gerät, mit dem Hörfunkprogramme empfangen werden können, beispielsweise Nachrichten- oder Musikkanäle | Kurzform für Rio de Janeiro |
Where the eye mixes Radio and Rio
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between Radio and Rio
These two trip readers on the page rather than in the ear: Radio is [ˈʁaːdi̯o] while Rio is [ˈʁiːo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 5936, derived from the frequency rank of both members and their visual similarity.
Radio is recorded at frequency rank #1,782, classified as anoun, pronounced [ˈʁaːdi̯o]. Rio is at rank #4,154, tagged as aname, pronounced [ˈʁiːo].
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 5936, this pair ranks #1,993,249 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Radio vs Rio
Shared letters: ior. Private to "Radio": ad. Private to "Rio": -.
"Radio" · 5 letters · shape CVCVV · "Rio" · 3 letters · shape CVV
Known mistypes of this pair
- Radio ← ardio · raddio · radoi · raido · rdaio · rradio
Frequently Asked Questions
Is swapping "Radio" for "Rio" ever safe?
Which is more common, "Radio" or "Rio"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "Radio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Rio" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,993,249 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Radio" and "Rio" also get mixed up with nearby pairs, the highest-scored neighbour is "Rio vs RUB". 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 #1,993,249 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.