domesticate vs plant life

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

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

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

domesticate (verb)	plant life (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