roll up vs fund

roll up is not a noun while fund is a noun.

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

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

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

roll up (noun)	fund (noun)
	a financial institution that sells shares to individuals and invests in securities issued by other companies
	a reserve of money set aside for some purpose
	a supply of something available for future use

roll up (verb)	fund (verb)
form a cylinder by rolling	furnish money for
form into a cylinder by rolling	place or store up in a fund for accumulation
show certain properties when being rolled	convert (short-term floating debt) into long-term debt that bears fixed interest and is represented by bonds
make into a bundle	accumulate a fund for the discharge of a recurrent liability
close (a car window) by causing it to move up, as with a handle	invest money in government securities
arrive in a vehicle:	provide a fund for the redemption of principal or payment of interest
get or gather together