keratinise vs British spelling

keratinise is not a noun while British spelling is a noun.

Word	Noun	Adjective	Verb	Adverb
keratinise	No	No	Yes	No
British spelling	Yes	No	No	No

keratinise (noun)	British spelling (noun)
	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

keratinise (verb)	British spelling (verb)
become horny and impregnated with keratin
convert into keratin