concentre vs Australian spelling

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

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

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

concentre (verb)	Australian spelling (verb)
bring into focus or alignment; to converge or cause to converge; of ideas or emotions