nitrate vs nitrify

nitrate is a noun but nitrify is not a noun.

Word	Noun	Adjective	Verb	Adverb
nitrate	Yes	No	Yes	No
nitrify	No	No	Yes	No

nitrate (noun)	nitrify (noun)
any compound containing the nitrate group (such as a salt or ester of nitric acid)

nitrate (verb)	nitrify (verb)
treat with nitric acid, so as to change an organic compound into a nitrate	treat (soil) with nitrates
	treat with nitrogen or a nitrogen compound
	convert into nitric acid, nitrous acid, or nitrate, especially with the action of nitrobacteria