vinegar vs acetum

vinegar and acetum both are nouns.

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

As nouns, vinegar and acetum are synonyms defined as:

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

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