Which to use
“rácio” is a noun and “raro” is an adjective - they look or sound alike but fill different roles in a sentence.
- #39,370
- “rácio” frequency rank
- #4,588
- “raro” frequency rank
- 43958
- confusion score
Side-by-Side Comparison
| Feature | rácio | raro |
|---|---|---|
| Definition | relação | que existe em pouca quantidade, pouco numeroso |
Letter map: rácio vs raro
Shared letters muted; letters that set rácio and raro apart highlighted. Shared run: 2. rácio runs 5 letters (CVCVV) against raro's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - rácio and raro
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: rácio is anoun and raroanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 43958, derived from the frequency rank of both members and their visual similarity.
rácio is recorded at frequency rank #39,370, 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 43958, this pair ranks #21,605 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rácio vs raro
Shared letters: or. Private to "rácio": ciá. Private to "raro": a.
"rácio" · 5 letters · shape CVCVV · "raro" · 4 letters · shape CVCV
Known mistypes of this pair
- raro ← arro · raor · rarro · rrao · rraro
Frequently Asked Questions
Do "rácio" and "raro" mean the same thing in a sentence?
Which is more common, "rácio" or "raro"?
Useful next steps
Pair "rácio" vs "raro" is on the table, pick a follow-up below.
- Full dictionary entry for "rácio" 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 #21,605 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "rácio" and "raro" also get mixed up with nearby pairs, the highest-scored neighbour is "rabi vs rácio". 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 #21,605 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.