wine vinegar vs acetum

wine vinegar and acetum both are nouns.

Word	Noun	Adjective	Verb	Adverb
wine vinegar	Yes	No	No	No
acetum	Yes	No	No	No

As nouns, acetum is a hypernym of wine vinegar; that is, acetum is a word with a broader meaning than wine vinegar:

wine vinegar: vinegar made from wine
acetum: sour-tasting liquid produced usually by oxidation of the alcohol in wine or cider and used as a condiment or food preservative

Other hypernyms of wine vinegar include vinegar.

wine vinegar (noun)	acetum (noun)
vinegar made from wine	sour-tasting liquid produced usually by oxidation of the alcohol in wine or cider and used as a condiment or food preservative
	a dilute solution of acetic acid that is used as a solvent (e.g. for a drug)