Australian spelling vs heat of vaporisation

Australian spelling and heat of vaporisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
heat of vaporisation	Yes	No	No	No

Australian spelling (noun)	heat of vaporisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas at the same temperature