Australian spelling vs immobilise

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

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

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

Australian spelling (verb)	immobilise (verb)
	cause to be unable to move
	prohibit the conversion or use of (assets)
	convert (assets) into fixed capital
	make defenseless
	to hold fast or prevent from moving
	hold as reserve or withdraw from circulation; of capital