astringency vs taste perception

astringency and taste perception both are nouns.

Word	Noun	Adjective	Verb	Adverb
astringency	Yes	No	No	No
taste perception	Yes	No	No	No

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

astringency: a sharp astringent taste; the taste experience when a substance causes the mouth to pucker
taste perception: the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus

Other hypernyms of astringency include gustatory perception, gustatory sensation, taste, taste sensation.

astringency (noun)	taste perception (noun)
the ability to contract or draw together soft body tissues to check blood flow or restrict secretion of fluids	the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus
a sharp astringent taste; the taste experience when a substance causes the mouth to pucker