roll up vs pull in

roll up and pull in both are verbs.

Word	Noun	Adjective	Verb	Adverb
roll up	No	No	Yes	No
pull in	No	No	Yes	No

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

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

roll up (verb)	pull in (verb)
form a cylinder by rolling	direct toward itself or oneself by means of some psychological power or physical attributes
form into a cylinder by rolling	get or bring together
show certain properties when being rolled	of trains; move into (a station)
make into a bundle	earn on some commercial or business transaction; earn as salary or wages
close (a car window) by causing it to move up, as with a handle
arrive in a vehicle:
get or gather together