professionalisation vs British spelling

professionalisation and British spelling both are nouns.

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

professionalisation (noun)	British spelling (noun)
the social process whereby people come to engage in an activity for pay or as a means of livelihood	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')