calcify vs calcium

calcify is not a noun while calcium is a noun.

Word	Noun	Adjective	Verb	Adverb
calcify	No	No	Yes	No
calcium	Yes	No	No	No

calcify (noun)	calcium (noun)
	a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals

calcify (verb)	calcium (verb)
turn into lime; become calcified
convert into lime
become impregnated with calcium salts
become inflexible and unchanging