rasavsrastoWhat's the difference?

Which to use

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

#23,795
“rasa” frequency rank
#38,450
“rasto” frequency rank
62245
confusion score

Side-by-Side Comparison

Feature rasa rasto
Definition instrumento de formato cilíndrico usado na medição de secos vestígio da passagem de alguém ou de algum animal; indício, pegada, pista

Where the eye mixes rasa and rasto

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. rasa runs 4 letters (CVCV) against rasto's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
rasa
5 ch
rasto

Visual trap between rasa and rasto

A purely visual mix-up. rasa (/ˈχa.zɐ/) and rasto (/ˈRaʃ.tu/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 62245, derived from the frequency rank of both members and their visual similarity.

rasa is recorded at frequency rank #23,795, classified as anoun, pronounced /ˈχa.zɐ/. 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 62245, this pair ranks #6,758 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of rasa vs rasto

Shared letters: ars. Private to "rasa": -. Private to "rasto": ot.

"rasa" · 4 letters · shape CVCV  ·  "rasto" · 5 letters · shape CVCCV

Known mistypes of this pair

  • rasa ← arsa · raas · rassa · rrasa · rsaa
  • rasto ← arsto · rasot · rassto · rastto · ratso · rrasto · rsato

Frequently Asked Questions

Can "rasa" and "rasto" be used interchangeably?
No. They are said differently (/ˈχa.zɐ/ versus /ˈRaʃ.tu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "rasa" or "rasto" show up more?
"rasa" is the more common of the two: it sits at frequency rank #23,795 in our Portuguese list, against #38,450 for "rasto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "rasa" and "rasto" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "rasa" 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 #6,758 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rasa" and "rasto" also get mixed up with nearby pairs, the highest-scored neighbour is "rasto 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 #6,758 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