roll up vs furl

roll up and furl both are verbs.

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

As verbs, roll up and furl are synonyms defined as:

roll up (verb)	furl (verb)
form a cylinder by rolling	form into a cylinder by rolling
form into a cylinder by rolling
show certain properties when being rolled
make into a bundle
close (a car window) by causing it to move up, as with a handle
arrive in a vehicle:
get or gather together