British spelling vs professionalise

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

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

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

British spelling (verb)	professionalise (verb)
	make professional or give a professional character to
	become professional or proceed in a professional manner or in an activity for pay or as a means of livelihood