psychogenic vs psychogenesis

psychogenic is not a noun while psychogenesis is a noun.

Word	Noun	Adjective	Verb	Adverb
psychogenic	No	Yes	No	No
psychogenesis	Yes	No	No	No

psychogenic (noun)	psychogenesis (noun)
	a general term for the origin and development of almost any aspect of the mind
	the development in the life of an individual of some disorder that is caused by psychological rather than physiological factors

psychogenic (adjective)	psychogenesis (adjective)
of or relating to the psychological cause of a disorder
mental or emotional rather than physiological in origin