salinity vs gustatory sensation

salinity and gustatory sensation both are nouns.

Word	Noun	Adjective	Verb	Adverb
salinity	Yes	No	No	No
gustatory sensation	Yes	No	No	No

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

salinity: the taste experience when common salt is taken into the mouth
gustatory 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 salinity include gustatory perception, taste, taste perception, taste sensation.

salinity (noun)	gustatory sensation (noun)
the relative proportion of salt in a solution	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 common salt is taken into the mouth