rubble vs dust

rubble and dust both are nouns.

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

As nouns, rubble and dust are synonyms defined as:

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

Other synonyms of rubble include debris, detritus, junk.

rubble (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

rubble (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