Australian spelling vs centring

Australian spelling and centring both are nouns.

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

Australian spelling (noun)	centring (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	(American football) putting the ball in play by passing it (between the legs) to a back
	the concentration of attention or energy on something