reusvsriosTell them apart

Quick tell: reus is a verb, rios is a noun, so they fill different roles in a sentence.

Which to use

“reus” is a verb and “rios” is a noun - they look or sound alike but fill different roles in a sentence.

#38,513
“reus” frequency rank
#44,695
“rios” frequency rank
83208
confusion score

Side-by-Side Comparison

Feature reus rios
Definition Première personne du singulier de l’indicatif passé simple du verbe ravoir. Pluriel de rio.

Where the eye mixes reus and rios

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

4 ch
reus
4 ch
rios

Visual trap between reus and rios

These two trip readers on the page rather than in the ear: reus is \ʁy\ while rios is \ʁi.jo\. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 83208, derived from the frequency rank of both members and their visual similarity.

reus is recorded at frequency rank #38,513, classified as averb, pronounced \ʁy\. rios is at rank #44,695, tagged as anoun, pronounced \ʁi.jo\.

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 83208, this pair ranks #15,253 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of reus vs rios

Shared letters: rs. Private to "reus": eu. Private to "rios": io.

"reus" · 4 letters · shape CVVC  ·  "rios" · 4 letters · shape CVVC

Known mistypes of this pair

  • reus ← erus · resu · rreus
  • rios ← iros · rioss · riso · rrios

Frequently Asked Questions

Can "reus" and "rios" be used interchangeably?
No - they are not even the same part of speech. "reus" is a verb and "rios" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "reus" vs "rios" - which ranks higher?
"reus" is the more common of the two: it sits at frequency rank #38,513 in our French list, against #44,695 for "rios". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "reus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rios" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #15,253 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "reus" and "rios" also get mixed up with nearby pairs, the highest-scored neighbour is "Rhys vs rios". 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 #15,253 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list