synchronising vs synchronizing

synchronising and synchronizing both are nouns.

Word	Noun	Adjective	Verb	Adverb
synchronising	Yes	No	No	No
synchronizing	Yes	No	No	No

As nouns, synchronising and synchronizing are synonyms defined as:

synchronising and synchronizing: an adjustment that causes something to occur or recur in unison

Other synonyms of synchronising include synchronisation, synchronization.

synchronising (noun)	synchronizing (noun)
an adjustment that causes something to occur or recur in unison	coordinating by causing to indicate the same time
	an adjustment that causes something to occur or recur in unison
	the relation that exists when things occur at the same time