British spelling vs unsympathising

British spelling is a noun but unsympathising is not a noun.

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

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

British spelling (adjective)	unsympathising (adjective)
	not showing or expressing sympathy