British spelling vs heat of vaporisation

British spelling and heat of vaporisation both are nouns.

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

British spelling (noun)	heat of vaporisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	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