synchronizing vs synchroneity

synchronizing and synchroneity both are nouns.

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

As nouns, synchronizing and synchroneity are synonyms defined as:

synchronizing and synchroneity: the relation that exists when things occur at the same time

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

synchronizing (noun)	synchroneity (noun)
coordinating by causing to indicate the same time	the relation that exists when things occur at 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