sugariness vs taste sensation

sugariness and taste sensation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sugariness	Yes	No	No	No
taste sensation	Yes	No	No	No

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

sugariness: the taste experience when sugar dissolves in the mouth
taste sensation: 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 sugariness include gustatory perception, gustatory sensation, taste, taste perception.

sugariness (noun)	taste sensation (noun)
the sweetness of sugar	the sensation that results when taste buds in the tongue and throat convey information about the chemical composition of a soluble stimulus
the taste experience when sugar dissolves in the mouth