hospitalisation vs British spelling

hospitalisation and British spelling both are nouns.

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

hospitalisation (noun)	British spelling (noun)
placing in medical care in a hospital	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')