synchronous vs synchronized

synchronous and synchronized both are adjectives.

Word	Noun	Adjective	Verb	Adverb
synchronous	No	Yes	No	No
synchronized	No	Yes	No	No

synchronous (adjective)	synchronized (adjective)
occurring or existing at the same time or having the same period or phase	operating in unison
(digital communication) pertaining to a transmission technique that requires a common clock signal (a timing reference) between the communicating devices in order to coordinate their transmissions