sense of taste vs gustation

sense of taste and gustation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sense of taste	Yes	No	No	No
gustation	Yes	No	No	No

As nouns, sense of taste and gustation are synonyms defined as:

sense of taste and gustation: the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth

Other synonyms of sense of taste include gustatory modality, taste.

sense of taste (noun)	gustation (noun)
the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth	the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth