bitterness vs taste property

bitterness and taste property both are nouns.

Word	Noun	Adjective	Verb	Adverb
bitterness	Yes	No	No	No
taste property	Yes	No	No	No

As nouns, taste property is a hypernym of bitterness; that is, taste property is a word with a broader meaning than bitterness:

bitterness (noun)	taste property (noun)
the property of having a harsh unpleasant taste	a property appreciated via the sense of taste
a rough and bitter manner
the taste experience when quinine or coffee is taken into the mouth
a feeling of deep and bitter anger and ill-will