acidify vs acid

acidify is not a noun while acid is a noun.

Word	Noun	Adjective	Verb	Adverb
acidify	No	No	Yes	No
acid	Yes	Yes	No	No

acidify (noun)	acid (noun)
	street name for lysergic acid diethylamide
	any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

acidify (adjective)	acid (adjective)
	having the characteristics of an acid
	being sour to the taste
	harsh or corrosive in tone

acidify (verb)	acid (verb)
turn acidic
make sour or more sour