acrimony vs tartness

acrimony and tartness both are nouns.

Word	Noun	Adjective	Verb	Adverb
acrimony	Yes	No	No	No
tartness	Yes	No	No	No

As nouns, acrimony and tartness are synonyms defined as:

Other synonyms of acrimony include acerbity, bitterness, jaundice, thorniness.

acrimony (noun)	tartness (noun)
a rough and bitter manner	a sharp sour taste
	a rough and bitter manner
	the taste experience when vinegar or lemon juice is taken into the mouth