Australian spelling vs cross-fertilisation

Australian spelling and cross-fertilisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
cross-fertilisation	Yes	No	No	No

Australian spelling (noun)	cross-fertilisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	interchange between different cultures or different ways of thinking that is mutually productive and beneficial
	fertilization by the union of male and female gametes from different individual of the same species