déçuvsdeyWhat's the difference?

Quick tell: déçu is a adjective, dey is a noun, so they fill different roles in a sentence.

Which to use

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

#3,752
“déçu” frequency rank
#38,244
“dey” frequency rank
41996
confusion score

Side-by-Side Comparison

Feature déçu dey
Definition Qui a éprouvé une déception, qui a subi une situation inférieure à ses attentes. Chef militaire ottoman, vassal du bey.

Where the eye mixes déçu and dey

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

4 ch
déçu
3 ch
dey

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: déçu is \de.sy\ while dey is \dɛ\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 41996, derived from the frequency rank of both members and their visual similarity.

déçu is recorded at frequency rank #3,752, classified as anadj, pronounced \de.sy\. dey is at rank #38,244, tagged as anoun, pronounced \dɛ\.

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 41996, this pair ranks #228,987 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of déçu vs dey

Shared letters: d. Private to "déçu": uçé. Private to "dey": ey.

"déçu" · 4 letters · shape CVCV  ·  "dey" · 3 letters · shape CVV

Frequently Asked Questions

Can "déçu" and "dey" be used interchangeably?
No - they are not even the same part of speech. "déçu" is an adjective and "dey" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "déçu" or "dey"?
"déçu" is the more common of the two: it sits at frequency rank #3,752 in our French list, against #38,244 for "dey". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list