signalling vs British spelling

signalling and British spelling both are nouns.

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

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