ráciovsrastoConfusable pair

Which to use

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

#39,370
“rácio” frequency rank
#38,450
“rasto” frequency rank
77820
confusion score

Side-by-Side Comparison

Feature rácio rasto
Definition relação vestígio da passagem de alguém ou de algum animal; indício, pegada, pista

Letter map: rácio vs rasto

Shared letters muted; letters that set rácio and rasto apart highlighted. Shared run: 2. rácio (CVCVV) and rasto (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
rácio
5 ch
rasto

Pair insight - rácio / rasto

rácio and rasto 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 3 positions. Our composite confusion score for this pair is 77820, derived from the frequency rank of both members and their visual similarity.

rácio is recorded at frequency rank #39,370, classified as anoun. rasto is at rank #38,450, tagged as anoun, pronounced /ˈRaʃ.tu/.

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 77820, this pair ranks #1,793 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of rácio vs rasto

Shared letters: or. Private to "rácio": ciá. Private to "rasto": ast.

"rácio" · 5 letters · shape CVCVV  ·  "rasto" · 5 letters · shape CVCCV

Known mistypes of this pair

  • rasto ← arsto · rasot · rassto · rastto · ratso · rrasto · rsato

Frequently Asked Questions

Can "rácio" and "rasto" be used interchangeably?
No. They share most of their letters but differ in 3 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 "rasto" - which ranks higher?
"rasto" is the more common of the two: it sits at frequency rank #38,450 in our Portuguese list, against #39,370 for "rácio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "rácio" and "rasto".

  • Full dictionary entry for "rácio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rasto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,793 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rácio" and "rasto" 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 #1,793 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