vinegarishness vs acidity

vinegarishness and acidity both are nouns.

Word	Noun	Adjective	Verb	Adverb
vinegarishness	Yes	No	No	No
acidity	Yes	No	No	No

As nouns, acidity is a hypernym of vinegarishness; that is, acidity is a word with a broader meaning than vinegarishness:

Other hypernyms of vinegarishness include sour, sourness.

vinegarishness (noun)	acidity (noun)
a sourness resembling that of vinegar	pH values below 7
	the property of being acidic
	the taste experience when something acidic is taken into the mouth