get on vs come along

get on and come along both are verbs.

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

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

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

get on (verb)	come along (verb)
develop in a positive way	come into being or existence, or appear on the scene
appear in a show, on T.V. or radio	develop in a positive way
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