British spelling vs vocalise

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

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

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

British spelling (verb)	vocalise (verb)
	pronounce as a vowel
	express or state clearly
	utter with vibrating vocal chords
	utter speech sounds
	sing (each note a scale or in a melody) with the same vowel