vegetable wax vs wax

vegetable wax and wax both are nouns.

Word	Noun	Adjective	Verb	Adverb
vegetable wax	Yes	No	No	No
wax	Yes	No	Yes	No

As nouns, wax is a hypernym of vegetable wax; that is, wax is a word with a broader meaning than vegetable wax:

vegetable wax: a waxy substance obtained from plants (especially from the trunks of certain palms)
wax: any of various substances of either mineral origin or plant or animal origin; they are solid at normal temperatures and insoluble in water

vegetable wax (noun)	wax (noun)
a waxy substance obtained from plants (especially from the trunks of certain palms)	any of various substances of either mineral origin or plant or animal origin; they are solid at normal temperatures and insoluble in water