leapfrog vs get on

leapfrog is a noun but get on is not a noun.

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

As verbs, get on is a hypernym of leapfrog; that is, get on is a word with a broader meaning than leapfrog:

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

leapfrog (noun)	get on (noun)
a game in which one child bends down and another leaps over
advancing as if in the child's game, by leaping over obstacles or competitors

leapfrog (verb)	get on (verb)
progress by large jumps instead of small increments	develop in a positive way
to vault	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