British spelling vs familiarising

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

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

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

British spelling (adjective)	familiarising (adjective)
	serving to make familiar