gypsum vs calcium sulfate

gypsum and calcium sulfate both are nouns.

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

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

gypsum: a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
calcium sulfate: a white salt (CaSO4)

Other hypernyms of gypsum include mineral, calcium sulphate.

gypsum (noun)	calcium sulfate (noun)
a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)	a white salt (CaSO4)