etymologise vs British spelling

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

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

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

etymologise (verb)	British spelling (verb)
construct the history of words
give the etymology or derivation or suggest an etymology (for a word)