vegetation vs vegetate

vegetation is a noun but vegetate is not a noun.

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

vegetation (noun)	vegetate (noun)
inactivity that is passive and monotonous, comparable to the inactivity of plant life
an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)
all the plant life in a particular region or period
the process of growth in plants

vegetation (verb)	vegetate (verb)
	engage in passive relaxation
	propagate asexually
	grow like a plant
	produce vegetation
	establish vegetation on
	grow or spread abnormally
	lead a passive existence without using one's body or mind