British spelling vs avianise

British spelling is a noun but avianise is not a noun.

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

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

British spelling (verb)	avianise (verb)
	to modify microorganisms by repeated culture in the developing chick embryo