come along vs get on

come along and get on both are verbs.

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

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

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

come along (verb)	get on (verb)
come into being or existence, or appear on the scene	develop in a positive way
develop in a positive way	appear in a show, on T.V. or radio
	grow old or older
	get up on the back of
	grow late or (of time) elapse
	get on board of (trains, buses, ships, aircraft, etc.)
	have smooth relations