synchronisation vs synchronising

synchronisation and synchronising both are nouns.

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

As nouns, synchronisation and synchronising are synonyms defined as:

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

Other synonyms of synchronisation include synchronization, synchronizing.

synchronisation (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