Australian spelling vs belabour

Australian spelling is a noun but belabour is not a noun.

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

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

Australian spelling (verb)	belabour (verb)
	attack verbally with harsh criticism
	beat soundly
	to work at or to absurd length