riu

noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“riu” is uncommon French (frequency #70,168 among 507,453 “R” headwords), classed as a noun. The kind of spelling people second-guess.

#70,168
frequency rank, French
507,453
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Variante de ru.

Key facts for riu
PropertyValue
Headwordriu
LanguageFrench
Part of speechNoun
Letters3
Frequency rank#70,168
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “riu” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). riu lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

riu is uncommon French at frequency #70,168 among 507,453 “R” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Variante de ru.".

No misspelling variants are generated for riu in our index, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.

This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is riu, spelled R-I-U.

Definition

  1. 1
    Variante de ru.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "riu"?
"riu" is spelled R-I-U.
What does "riu" mean?
As a noun, "riu" means: Variante de ru.
What language does "riu" come from?
"riu" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “riu”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is R-I-U - every other letter order is a misspelling in standard orthography.
  • Browse more French words and confusable pairs in the same reference. French words

Other uncommon French words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list