disconnection vs disparity

disconnection and disparity both are nouns.

Word	Noun	Adjective	Verb	Adverb
disconnection	Yes	No	No	No
disparity	Yes	No	No	No

As nouns, disparity is a hypernym of disconnection; that is, disparity is a word with a broader meaning than disconnection:

disconnection: an unbridgeable disparity (as from a failure of understanding)
disparity: inequality or difference in some respect

disconnection (noun)	disparity (noun)
the act of breaking a connection	inequality or difference in some respect
an unbridgeable disparity (as from a failure of understanding)
state of being disconnected