plant life vs nitrification

plant life and nitrification both are nouns.

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

plant life (noun)	nitrification (noun)
(botany) a living organism lacking the power of locomotion	the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants)
	the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound)