paediatric vs Australian spelling

paediatric is not a noun while Australian spelling is a noun.

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

paediatric (noun)	Australian spelling (noun)
	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

paediatric (adjective)	Australian spelling (adjective)
of or relating to the medical care of children