philosophise vs British spelling

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

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

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

philosophise (verb)	British spelling (verb)
reason philosophically