maximising vs British spelling

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

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

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

maximising (adjective)	British spelling (adjective)
making as great as possible