get on vs shape up

get on and shape up both are verbs.

Word	Noun	Adjective	Verb	Adverb
get on	No	No	Yes	No
shape up	No	No	Yes	No

As verbs, get on and shape up are synonyms defined as:

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

get on (verb)	shape up (verb)
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