ontogenetic vs ontogenesis

ontogenetic is not a noun while ontogenesis is a noun.

Word	Noun	Adjective	Verb	Adverb
ontogenetic	No	Yes	No	No
ontogenesis	Yes	No	No	No

ontogenetic (noun)	ontogenesis (noun)
	(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level

ontogenetic (adjective)	ontogenesis (adjective)
of or relating to the origin and development of individual organisms