insurgency vs uprising

insurgency and uprising both are nouns.

Word	Noun	Adjective	Verb	Adverb
insurgency	Yes	No	No	No
uprising	Yes	No	No	No

As nouns, uprising is a hypernym of insurgency; that is, uprising is a word with a broader meaning than insurgency:

insurgency: an organized rebellion aimed at overthrowing a constituted government through the use of subversion and armed conflict
uprising: organized opposition to authority; a conflict in which one faction tries to wrest control from another

Other hypernyms of insurgency include insurrection, rebellion, revolt, rising.

insurgency (noun)	uprising (noun)
an organized rebellion aimed at overthrowing a constituted government through the use of subversion and armed conflict	organized opposition to authority; a conflict in which one faction tries to wrest control from another