British spelling vs signalling

British spelling and signalling both are nouns.

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

British spelling (noun)	signalling (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	any nonverbal action or gesture that encodes a message