disassociation vs disassociate

disassociation is a noun but disassociate is not a noun.

Word	Noun	Adjective	Verb	Adverb
disassociation	Yes	No	No	No
disassociate	No	No	Yes	No

disassociation (noun)	disassociate (noun)
a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently
the state of being unconnected in memory or imagination

disassociation (verb)	disassociate (verb)
	part; cease or break association with