eau douce

\o dus\

/\o dus\/ noun

The verdict

“eau douce” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency French
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Eau non salée, de lacs et de cours d’eau.

Corpus desk

Index FR-eau-douce · eau douce · French

eau douce · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "E" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for eau douce
PropertyValue
Headwordeau douce
LanguageFrench
Part of speechNoun
IPA\o dus\
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « eau douce » en français

eau doucen'entre pas dans le top 100.000 du français: zone de termes techniques, archaïques ou rares.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

eau douce is uncommon French outside the top frequency list, classed as anoun, transcribed \o dus\. Rarity is why readers land here mid-draft. 3 senses are on record.

Zero misspellings are on record for eau douce in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This headword's origin isn't recorded in our source data, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is eau douce, spelled E-A-U- -D-O-U-C-E.

Definition

  1. 1
    Eau non salée, de lacs et de cours d’eau.
  2. 2
    Ensemble des lacs, étangs, ruisseaux, fleuves, qui contiennent cette eau.
  3. 3
    Eau contenant peu d’ions calcium et magnésium, en particulier dont le titre hydrotimétrique est compris entre 10 et 20°f.

Recorded use

Wiktionary examples

These source excerpts show how eau douce appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. […], j’apprenais à goûter l’exquise saveur des chevrettes d’eau douce enveloppées dans des feuilles d’hibiscus et rôties sur des pierres rougies au feu, un mets digne des dieux.
  2. De l’œuf sort une larve nageante, le miracidium, qui pénètre dans un mollusque gastéropode d’eau douce.

Antonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "eau douce"?
"eau douce" is spelled E-A-U- -D-O-U-C-E. The IPA pronunciation is \o dus\.
What does "eau douce" mean?
As a noun, "eau douce" means: Eau non salée, de lacs et de cours d’eau.
How do you pronounce "eau douce"?
The IPA (International Phonetic Alphabet) transcription for "eau douce" is \o dus\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "eau douce" come from?
"eau douce" 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.

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

Source: FrequencyWords open word-frequency list