sensory system vs modality

sensory system and modality both are nouns.

Word	Noun	Adjective	Verb	Adverb
sensory system	Yes	No	No	No
modality	Yes	No	No	No

As nouns, sensory system and modality are synonyms defined as:

Other synonyms of sensory system include sense modality.

sensory system (noun)	modality (noun)
the body's system of sense organs	a method of therapy that involves physical or electrical therapeutic treatment
a particular sense	a particular sense
	a classification of propositions on the basis of whether they claim necessity or possibility or impossibility
	verb inflections that express how the action or state is conceived by the speaker