growth vs vegetation

growth and vegetation both are nouns.

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

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

Other hypernyms of growth include botany, flora.

As nouns, vegetation is a hyponym of growth; that is, vegetation is a word with a more specific, narrower meaning than growth:

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
vegetation: the process of growth in plants

growth (noun)	vegetation (noun)
the gradual beginning or coming forth	inactivity that is passive and monotonous, comparable to the inactivity of plant life
vegetation that has grown	an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)
something grown or growing	all the plant life in a particular region or period
(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	the process of growth in plants
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)