déchetvsdéchuWhat's the difference?

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

Which to use

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

#15,359
“déchet” frequency rank
#17,934
“déchu” frequency rank
33293
confusion score

Side-by-Side Comparison

Feature déchet déchu
Definition Chute, ce qui tombe d’une matière que l’on travaille et qui peut être réutilisé. Qui a perdu sa dignité, son rang, sa réputation.

Where the spellings diverge

Shared letters are muted; the letters that actually set déchet and déchu apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch
déchet
5 ch
déchu

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: déchet is \de.ʃɛ\ while déchu is \de.ʃy\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 33293, 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\. déchu is at rank #17,934, 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 33293, this pair ranks #291,614 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of déchet vs déchu

Shared letters: cdhé. Private to "déchet": et. Private to "déchu": u.

"déchet" · 6 letters · shape CVCCVC  ·  "déchu" · 5 letters · shape CVCCV

Frequency comparison

déchet#15,359
déchu#17,934

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "déchet" and "déchu" be used interchangeably?
No - they are not even the same part of speech. "déchet" is a noun and "déchu" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "déchet" or "déchu"?
"déchet" is the more common of the two: it sits at frequency rank #15,359 in our French list, against #17,934 for "déchu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering déchet vs déchu

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “déchet”; for an adjective, it's “déchu”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “déchet” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list