calcium sulfate vs salt

calcium sulfate and salt both are nouns.

Word	Noun	Adjective	Verb	Adverb
calcium sulfate	Yes	No	No	No
salt	Yes	Yes	Yes	No

As nouns, salt is a hypernym of calcium sulfate; that is, salt is a word with a broader meaning than calcium sulfate:

calcium sulfate: a white salt (CaSO4)
salt: a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)

calcium sulfate (noun)	salt (noun)
a white salt (CaSO4)	the taste experience when common salt is taken into the mouth
	white crystalline form of especially sodium chloride used to season and preserve food
	a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)

calcium sulfate (adjective)	salt (adjective)
	(of speech) painful or bitter