risovsrogoWhich spelling fits?

Which to use

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

#10,434
“riso” frequency rank
#40,771
“rogo” frequency rank
51205
confusion score

Side-by-Side Comparison

Feature riso rogo
Definition ato ou efeito de rir; demonstração clara e geralmente espontânea de alegria pedido

Where the eye mixes riso and rogo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. riso and rogo follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
riso
4 ch
rogo

Why the eye confuses riso with rogo

A purely visual mix-up. riso (/ˈRi.zu/) and rogo (/ˈRo.ɡu/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51205, 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/. rogo is at rank #40,771, tagged as anoun, pronounced /ˈRo.ɡu/.

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 51205, this pair ranks #13,792 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of riso vs rogo

Shared letters: or. Private to "riso": is. Private to "rogo": g.

"riso" · 4 letters · shape CVCV  ·  "rogo" · 4 letters · shape CVCV

Known mistypes of this pair

  • riso ← irso · rios · risso · rriso · rsio
  • rogo ← rgoo · roggo · roog · rrogo

Frequently Asked Questions

Is swapping "riso" for "rogo" ever safe?
No. They are said differently (/ˈRi.zu/ versus /ˈRo.ɡu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "riso" or "rogo"?
"riso" is the more common of the two: it sits at frequency rank #10,434 in our Portuguese list, against #40,771 for "rogo". 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 "riso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rogo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #13,792 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "riso" and "rogo" also get mixed up with nearby pairs, the highest-scored neighbour is "robe vs rogo". 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 #13,792 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