synchronicity vs synchronisation

synchronicity and synchronisation both are nouns.

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

As nouns, synchronicity and synchronisation are synonyms defined as:

synchronicity and synchronisation: the relation that exists when things occur at the same time

Other synonyms of synchronicity include synchroneity, synchronism, synchronization, synchronizing, synchrony.

synchronicity (noun)	synchronisation (noun)
the relation that exists when things occur at the same time	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