rastovsrossoConfusable pair

Quick tell: rasto is a noun, rosso is an adjective, so they fill different roles in a sentence.

Which to use

“rasto” is a noun and “rosso” is an adjective - they look or sound alike but fill different roles in a sentence.

#38,450
“rasto” frequency rank
#35,768
“rosso” frequency rank
74218
confusion score

Side-by-Side Comparison

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

Where the eye mixes rasto and rosso

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. rasto and rosso follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
rasto
5 ch
rosso

Look-alike desk: rasto vs rosso

These two trip readers on the page rather than in the ear: rasto is /ˈRaʃ.tu/ while rosso is /ˈrosso/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 74218, derived from the frequency rank of both members and their visual similarity.

rasto is recorded at frequency rank #38,450, classified as anoun, pronounced /ˈRaʃ.tu/. rosso is at rank #35,768, tagged as anadj, pronounced /ˈrosso/.

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 74218, this pair ranks #2,578 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of rasto vs rosso

Shared letters: ors. Private to "rasto": at. Private to "rosso": -.

"rasto" · 5 letters · shape CVCCV  ·  "rosso" · 5 letters · shape CVCCV

Known mistypes of this pair

  • rasto ← arsto · rasot · rassto · rastto · ratso · rrasto · rsato
  • rosso ← orsso · roso · rosos · rrosso · rsoso

Frequently Asked Questions

Do "rasto" and "rosso" mean the same thing in a sentence?
No - they are not even the same part of speech. "rasto" is a noun and "rosso" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "rasto" or "rosso" show up more?
"rosso" is the more common of the two: it sits at frequency rank #35,768 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.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "rasto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rosso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,578 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rasto" and "rosso" 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 #2,578 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