appetising vs British spelling

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

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

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

appetising (adjective)	British spelling (adjective)
appealing to or stimulating the appetite especially in appearance or aroma