keratinize vs keratinization

keratinize is not a noun while keratinization is a noun.

Word	Noun	Adjective	Verb	Adverb
keratinize	No	No	Yes	No
keratinization	Yes	No	No	No

keratinize (noun)	keratinization (noun)
	organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair)

keratinize (verb)	keratinization (verb)
become horny and impregnated with keratin
convert into keratin