acetylise vs British spelling

acetylise is not a noun while British spelling is a noun.

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

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

acetylise (verb)	British spelling (verb)
receive substitution of an acetyl group
introduce an acetyl group into (a chemical compound)