sense modality vs sentiency

sense modality and sentiency both are nouns.

Word	Noun	Adjective	Verb	Adverb
sense modality	Yes	No	No	No
sentiency	Yes	No	No	No

As nouns, sentiency is a hypernym of sense modality; that is, sentiency is a word with a broader meaning than sense modality:

Other hypernyms of sense modality include sensation, sense, sensory faculty, sentience.

sense modality (noun)	sentiency (noun)
a particular sense	the faculty through which the external world is apprehended