synchronized vs synchronous

synchronized and synchronous both are adjectives.

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

synchronized (adjective)	synchronous (adjective)
operating in unison	occurring or existing at the same time or having the same period or phase
	(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