British spelling vs crystallise

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

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

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

British spelling (verb)	crystallise (verb)
	cause to form crystals or assume crystalline form
	cause to take on a definite and clear shape
	make free from confusion or ambiguity; make clear