mummy vs British spelling

mummy and British spelling both are nouns.

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

mummy (noun)	British spelling (noun)
a body embalmed and dried and wrapped for burial (as in ancient Egypt)	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')
informal terms for a mother