sima vs crust

sima and crust both are nouns.

Word	Noun	Adjective	Verb	Adverb
sima	Yes	No	No	No
crust	Yes	No	Yes	No

sima (noun)	crust (noun)
rock that form the continuous lower layer of the earth's crust; rich in silicon and magnesium	the trait of being rude and impertinent; inclined to take liberties
	the outer layer of the Earth
	a hard outer layer that covers something

sima (verb)	crust (verb)
	form a crust or form into a crust