rivsruirWhich spelling fits?

Quick tell: ri is a preposition, ruir is a verb, so they fill different roles in a sentence.

Which to use

“ri” is a preposition and “ruir” is a verb - they look or sound alike but fill different roles in a sentence.

#7,570
“ri” frequency rank
#34,026
“ruir” frequency rank
41596
confusion score

Side-by-Side Comparison

Feature ri ruir
Definition para, contra desmoronar, desabar

Letter map: ri vs ruir

Shared letters muted; letters that set ri and ruir apart highlighted. Shared run: 2.

2 ch
ri
4 ch
ruir

Role in the sentence - ri and ruir

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ri is apreposition and ruiraverb. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 41596, derived from the frequency rank of both members and their visual similarity.

ri is recorded at frequency rank #7,570, classified as aprep. ruir is at rank #34,026, tagged as averb, pronounced /ˈRwiɾ/.

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 41596, this pair ranks #24,301 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ri vs ruir

Shared letters: ir. Private to "ri": -. Private to "ruir": u.

"ri" · 2 letters · shape CV  ·  "ruir" · 4 letters · shape CVVC

Known mistypes of this pair

  • ruirriur · rruir · ruirr · ruri · urir

Frequently Asked Questions

Do "ri" and "ruir" mean the same thing in a sentence?
No - they are not even the same part of speech. "ri" is a preposition and "ruir" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ri" vs "ruir" - which ranks higher?
"ri" is the more common of the two: it sits at frequency rank #7,570 in our Portuguese list, against #34,026 for "ruir". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "ri" and "ruir". Here's where to go from here.

  • Full dictionary entry for "ri" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ruir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,301 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ri" and "ruir" also get mixed up with nearby pairs, the highest-scored neighbour is "ruir 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 #24,301 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