plant life vs domesticate

plant life is a noun but domesticate is not a noun.

Word	Noun	Adjective	Verb	Adverb
plant life	Yes	No	No	No
domesticate	No	No	Yes	No

plant life (noun)	domesticate (noun)
(botany) a living organism lacking the power of locomotion

plant life (verb)	domesticate (verb)
	overcome the wildness of; make docile and tractable
	adapt (a wild plant or unclaimed land) to the environment
	make fit for cultivation, domestic life, and service to humans