British spelling vs water of crystallisation

British spelling and water of crystallisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
water of crystallisation	Yes	No	No	No

British spelling (noun)	water of crystallisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the water present in hydrated compounds