ráciovsratioTell them apart

Which to use

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

#39,370
“rácio” frequency rank
#46,527
“ratio” frequency rank
85897
confusion score

Side-by-Side Comparison

Feature rácio ratio
Definition relação quociente, proporção, razão

Letter map: rácio vs ratio

Shared letters muted; letters that set rácio and ratio apart highlighted. Shared run: 3. rácio and ratio follow the identical consonant-vowel pattern (CVCVV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
rácio
5 ch
ratio

Corpus notes: rácio and ratio

rácio and ratio 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 85897, derived from the frequency rank of both members and their visual similarity.

rácio is recorded at frequency rank #39,370, classified as anoun. ratio is at rank #46,527, tagged as anoun, pronounced /ɻeɪ.ʃi.oʊ/.

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 85897, this pair ranks #646 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of rácio vs ratio

Shared letters: ior. Private to "rácio": cá. Private to "ratio": at.

"rácio" · 5 letters · shape CVCVV  ·  "ratio" · 5 letters · shape CVCVV

Known mistypes of this pair

  • ratio ← artio · raito · ratoi · rattio · rratio · rtaio

Frequently Asked Questions

Do "rácio" and "ratio" mean the same thing in a sentence?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "rácio" vs "ratio" - which ranks higher?
"rácio" is the more common of the two: it sits at frequency rank #39,370 in our Portuguese list, against #46,527 for "ratio". 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 "rácio" and "ratio". Here's where to go from here.

  • Full dictionary entry for "rácio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ratio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #646 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rácio" and "ratio" also get mixed up with nearby pairs, the highest-scored neighbour is "rabi vs ratio". 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 #646 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