synchronise vs sync

synchronise and sync both are verbs.

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

As verbs, synchronise and sync are synonyms defined as:

Other synonyms of synchronise include synchronize.

synchronise (verb)	sync (verb)
make synchronous and adjust in time or manner	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