synchroniser vs synchronise

synchroniser is a noun but synchronise is not a noun.

Word	Noun	Adjective	Verb	Adverb
synchroniser	Yes	No	No	No
synchronise	No	No	Yes	No

synchroniser (noun)	synchronise (noun)
an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)

synchroniser (verb)	synchronise (verb)
	make synchronous and adjust in time or manner
	operate simultaneously
	cause to indicate the same time or rate
	arrange or represent events so that they co-occur
	make (motion picture sound) exactly simultaneous with the action
	happen at the same time