mumma vs British spelling

mumma and British spelling both are nouns.

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

mumma (noun)	British spelling (noun)
informal terms for a mother	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')