powdered vs powdery

powdered and powdery both are adjectives.

Word	Noun	Adjective	Verb	Adverb
powdered	No	Yes	No	No
powdery	No	Yes	No	No

As adjectives, powdered and powdery are synonyms defined as:

Other synonyms of powdered include fine-grained, pulverised, pulverized, small-grained.

powdered (adjective)	powdery (adjective)
consisting of fine particles	consisting of fine particles
	as if dulled in color with a sprinkling of powder