proliferation vs growth

proliferation and growth both are nouns.

Word	Noun	Adjective	Verb	Adverb
proliferation	Yes	No	No	No
growth	Yes	No	No	No

As nouns, growth is a hypernym of proliferation; that is, growth is a word with a broader meaning than proliferation:

proliferation: growth by the rapid multiplication of parts
growth: (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 proliferation include development, growing, maturation, ontogenesis, ontogeny.

As nouns, growth is a hypernym of proliferation; that is, growth is a word with a broader meaning than proliferation:

proliferation: a rapid increase in number (especially a rapid increase in the number of deadly weapons)
growth: a process of becoming larger or longer or more numerous or more important

Other hypernyms of proliferation include increase, increment.

proliferation (noun)	growth (noun)
growth by the rapid multiplication of parts	the gradual beginning or coming forth
a rapid increase in number (especially a rapid increase in the number of deadly weapons)	vegetation that has grown
	something grown or growing
	(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
	a progression from simpler to more complex forms
	a process of becoming larger or longer or more numerous or more important
	(pathology) an abnormal proliferation of tissue (as in a tumor)