crustal plate vs crust

crustal plate and crust both are nouns.

Word	Noun	Adjective	Verb	Adverb
crustal plate	Yes	No	No	No
crust	Yes	No	Yes	No

As nouns, crust is a hypernym of crustal plate; that is, crust is a word with a broader meaning than crustal plate:

crustal plate: a rigid layer of the Earth's crust that is believed to drift slowly
crust: the outer layer of the Earth

Other hypernyms of crustal plate include Earth's crust.

crustal plate (noun)	crust (noun)
a rigid layer of the Earth's crust that is believed to drift slowly	the trait of being rude and impertinent; inclined to take liberties
	the outer layer of the Earth
	a hard outer layer that covers something

crustal plate (verb)	crust (verb)
	form a crust or form into a crust