British spelling vs chequered

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

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

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

British spelling (adjective)	chequered (adjective)
	patterned with alternating squares of color