subversive activity vs subversion

subversive activity and subversion both are nouns.

Word	Noun	Adjective	Verb	Adverb
subversive activity	Yes	No	No	No
subversion	Yes	No	No	No

As nouns, subversive activity and subversion are synonyms defined as:

subversive activity and subversion: the act of subverting; as overthrowing or destroying a legally constituted government

subversive activity (noun)	subversion (noun)
the act of subverting; as overthrowing or destroying a legally constituted government	destroying someone's (or some group's) honesty or loyalty; undermining moral integrity
	the act of subverting; as overthrowing or destroying a legally constituted government