sodium benzoate vs benzoate

sodium benzoate and benzoate both are nouns.

Word	Noun	Adjective	Verb	Adverb
sodium benzoate	Yes	No	No	No
benzoate	Yes	No	No	No

As nouns, benzoate is a hypernym of sodium benzoate; that is, benzoate is a word with a broader meaning than sodium benzoate:

sodium benzoate: a white crystalline salt used as a food preservative and antiseptic
benzoate: any salt or ester of benzoic acid

sodium benzoate (noun)	benzoate (noun)
a white crystalline salt used as a food preservative and antiseptic	any salt or ester of benzoic acid