saprophytic vs plant life

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

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

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

saprophytic (adjective)	plant life (adjective)
obtaining food osmotically from dissolved organic material
(of some plants or fungi) feeding on dead or decaying organic matter