British spelling vs sceptical

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

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

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

British spelling (adjective)	sceptical (adjective)
	marked by or given to doubt
	denying or questioning the tenets of especially a religion