British spelling vs fuelling

British spelling and fuelling both are nouns.

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

British spelling (noun)	fuelling (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the activity of supplying or taking on fuel