British spelling vs pasteurisation

British spelling and pasteurisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
pasteurisation	Yes	No	No	No

British spelling (noun)	pasteurisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	partial sterilization of foods at a temperature that destroys harmful microorganisms without major changes in the chemistry of the food