scrutinise vs British spelling

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

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

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

scrutinise (verb)	British spelling (verb)
examine carefully for accuracy with the intent of verification
to look at critically or searchingly, or in minute detail