debris vs dust

debris and dust both are nouns.

Word	Noun	Adjective	Verb	Adverb
debris	Yes	No	No	No
dust	Yes	No	Yes	No

As nouns, debris and dust are synonyms defined as:

debris and dust: the remains of something that has been destroyed or broken up

Other synonyms of debris include detritus, junk, rubble.

debris (noun)	dust (noun)
the remains of something that has been destroyed or broken up	fine powdery material such as dry earth or pollen that can be blown about in the air
	the remains of something that has been destroyed or broken up
	free microscopic particles of solid material

debris (verb)	dust (verb)
	remove the dust from
	distribute loosely
	rub the dust over a surface so as to blur the outlines of a shape
	cover with a light dusting of a substance