climb on vs get on

climb on and get on both are verbs.

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

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

Other synonyms of climb on include bestride, hop on, jump on, mount, mount up.

climb on (verb)	get on (verb)
get up on the back of	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