lead up vs originate

lead up and originate both are verbs.

Word	Noun	Adjective	Verb	Adverb
lead up	No	No	Yes	No
originate	No	No	Yes	No

As verbs, originate is a hypernym of lead up; that is, originate is a word with a broader meaning than lead up:

Other hypernyms of lead up include initiate, start.

lead up (verb)	originate (verb)
set in motion, start an event or prepare the way for	bring into being
	come into existence; take on form or shape
	begin a trip at a certain point, as of a plane, train, bus, etc.