synchronization vs synchronising

synchronization and synchronising both are nouns.

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

As nouns, synchronization and synchronising are synonyms defined as:

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

Other synonyms of synchronization include synchronisation, synchronizing.

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