gustation vs gustatory modality

gustation and gustatory modality both are nouns.

Word	Noun	Adjective	Verb	Adverb
gustation	Yes	No	No	No
gustatory modality	Yes	No	No	No

As nouns, gustation and gustatory modality are synonyms defined as:

gustation and gustatory modality: the faculty of distinguishing sweet, sour, bitter, and salty properties in the mouth

Other synonyms of gustation include sense of taste, taste.

gustation (noun)	gustatory modality (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