déchetvsdéchueTell them apart

Quick tell: déchet is a noun, déchue is an adjective, so they fill different roles in a sentence.

Which to use

“déchet” is a noun and “déchue” is an adjective - they look or sound alike but fill different roles in a sentence.

#15,359
“déchet” frequency rank
#42,837
“déchue” frequency rank
58196
confusion score

Side-by-Side Comparison

Feature déchet déchue
Definition Chute, ce qui tombe d’une matière que l’on travaille et qui peut être réutilisé. Féminin singulier de déchu.

Where the eye mixes déchet and déchue

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. déchet (CVCCVC) and déchue (CVCCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
déchet
6 ch
déchue

Visual trap between déchet and déchue

These two trip readers on the page rather than in the ear: déchet is \de.ʃɛ\ while déchue is \de.ʃy\. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 58196, derived from the frequency rank of both members and their visual similarity.

déchet is recorded at frequency rank #15,359, classified as anoun, pronounced \de.ʃɛ\. déchue is at rank #42,837, tagged as anadj, pronounced \de.ʃy\.

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 58196, this pair ranks #110,475 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of déchet vs déchue

Shared letters: cdehé. Private to "déchet": t. Private to "déchue": u.

"déchet" · 6 letters · shape CVCCVC  ·  "déchue" · 6 letters · shape CVCCVV

Frequently Asked Questions

Can "déchet" and "déchue" be used interchangeably?
No - they are not even the same part of speech. "déchet" is a noun and "déchue" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "déchet" vs "déchue" - which ranks higher?
"déchet" is the more common of the two: it sits at frequency rank #15,359 in our French list, against #42,837 for "déchue". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "déchet" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "déchue" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #110,475 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "déchet" and "déchue" also get mixed up with nearby pairs, the highest-scored neighbour is "dèche vs déchue". Nearby pair

Confusion rank #110,475 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