rostovsrustConfusable pair

Which to use

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

#1,199
“rosto” frequency rank
#46,045
“rust” frequency rank
47244
confusion score

Side-by-Side Comparison

Feature rosto rust
Definition face, cara ferrugem

Letter map: rosto vs rust

Shared letters muted; letters that set rosto and rust apart highlighted. Shared run: 3.

5 ch
rosto
4 ch
rust

Spelling & dictionary notes on rosto vs rust

rosto and rust 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 47244, derived from the frequency rank of both members and their visual similarity.

rosto is recorded at frequency rank #1,199, classified as anoun. rust is at rank #46,045, tagged as anoun, pronounced /ɹʌst/.

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 47244, this pair ranks #18,023 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of rosto vs rust

Shared letters: rst. Private to "rosto": o. Private to "rust": u.

"rosto" · 5 letters · shape CVCCV  ·  "rust" · 4 letters · shape CVCC

Known mistypes of this pair

  • rostoorsto · rosot · rossto · rostto · rotso · rrosto · rsoto
  • rustrrust · rsut · russt · rustt · ruts · urst

Frequently Asked Questions

Do "rosto" and "rust" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "rosto" vs "rust" - which ranks higher?
"rosto" is the more common of the two: it sits at frequency rank #1,199 in our Portuguese list, against #46,045 for "rust". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "rosto" vs "rust" is on the table, pick a follow-up below.

  • Full dictionary entry for "rosto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rust" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #18,023 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rosto" and "rust" also get mixed up with nearby pairs, the highest-scored neighbour is "ruma vs rust". 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 #18,023 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