British spelling vs nonmalignant tumour

British spelling and nonmalignant tumour both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
nonmalignant tumour	Yes	No	No	No

British spelling (noun)	nonmalignant tumour (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	a tumor that is not cancerous