mummy vs Australian spelling

mummy and Australian spelling both are nouns.

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

mummy (noun)	Australian spelling (noun)
a body embalmed and dried and wrapped for burial (as in ancient Egypt)	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
informal terms for a mother