neurogenesis vs ontogenesis

neurogenesis and ontogenesis both are nouns.

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

As nouns, ontogenesis is a hypernym of neurogenesis; that is, ontogenesis is a word with a broader meaning than neurogenesis:

neurogenesis: the development of nerve tissues
ontogenesis: (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

Other hypernyms of neurogenesis include development, growing, growth, maturation, ontogeny.

neurogenesis (noun)	ontogenesis (noun)
the development of nerve tissues	(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