ungregarious vs plant life

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

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

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

ungregarious (adjective)	plant life (adjective)
(of animals) not gregarious
(of plants) growing together in groups that are not close together
not disposed to seek company