come on vs get on

come on and get on both are verbs.

Word	Noun	Adjective	Verb	Adverb
come on	No	No	Yes	No
get on	No	No	Yes	No

As verbs, come on and get on are synonyms defined as:

Other synonyms of come on include advance, come along, get along, progress, shape up.

come on (verb)	get on (verb)
occur or become available	develop in a positive way
appear or become visible; make a showing	appear in a show, on T.V. or radio
develop in a positive way	grow old or older
start running, functioning, or operating	get up on the back of
move towards	grow late or (of time) elapse
	get on board of (trains, buses, ships, aircraft, etc.)
	have smooth relations