sympathise vs British spelling

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

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

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

sympathise (verb)	British spelling (verb)
be understanding of
to feel or express sympathy or compassion
share the feelings of; understand the sentiments of