roll up vs run up

roll up and run up both are verbs.

Word	Noun	Adjective	Verb	Adverb
roll up	No	No	Yes	No
run up	No	No	Yes	No

As verbs, run up is a hyponym of roll up; that is, run up is a word with a more specific, narrower meaning than roll up:

Other hyponyms of roll up include corral, collect, pull in, come up, scrape, scrape up, scratch, chunk, lump, bale, catch, fund, fund.

roll up (verb)	run up (verb)
form a cylinder by rolling	pile up (debts or scores)
form into a cylinder by rolling	raise by using ropes and pulleys
show certain properties when being rolled	fasten by sewing; do needlework
make into a bundle	make by sewing together quickly
close (a car window) by causing it to move up, as with a handle	accumulate, sometimes as a debt
arrive in a vehicle:
get or gather together