risovsrussoWhich spelling fits?

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

Which to use

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

#10,434
“riso” frequency rank
#1,947
“russo” frequency rank
12381
confusion score

Side-by-Side Comparison

Feature riso russo
Definition ato ou efeito de rir; demonstração clara e geralmente espontânea de alegria relativo à Rússia, sua cultura e idioma

Letter map: riso vs russo

Shared letters muted; letters that set riso and russo apart highlighted. Shared run: 3. riso runs 4 letters (CVCV) against russo's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
riso
5 ch
russo

Role in the sentence - riso and russo

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: riso is anoun and russoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 12381, derived from the frequency rank of both members and their visual similarity.

riso is recorded at frequency rank #10,434, classified as anoun, pronounced /ˈRi.zu/. russo is at rank #1,947, tagged as anadj.

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 12381, this pair ranks #60,233 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of riso vs russo

Shared letters: ors. Private to "riso": i. Private to "russo": u.

"riso" · 4 letters · shape CVCV  ·  "russo" · 5 letters · shape CVCCV

Known mistypes of this pair

  • riso ← irso · rios · risso · rriso · rsio
  • russo ← rrusso · rsuso · ruso · rusos · ursso

Frequently Asked Questions

Is swapping "riso" for "russo" ever safe?
No - they are not even the same part of speech. "riso" is a noun and "russo" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "riso" vs "russo" - which ranks higher?
"russo" is the more common of the two: it sits at frequency rank #1,947 in our Portuguese list, against #10,434 for "riso". 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 "riso" and "russo". Here's where to go from here.

  • Full dictionary entry for "riso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "russo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,233 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "riso" and "russo" also get mixed up with nearby pairs, the highest-scored neighbour is "riso 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 #60,233 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