British spelling vs feminise

British spelling is a noun but feminise is not a noun.

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

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

British spelling (verb)	feminise (verb)
	to give a (more) feminine, effeminate, or womanly quality or appearance to
	assume (more) feminine characteristics