immortalise vs British spelling

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

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

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

immortalise (verb)	British spelling (verb)
make famous forever
be or provide a memorial to a person or an event