store vs roll up

store is a noun but roll up is not a noun.

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

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

Other hyponyms of store include bin, computerise, computerize, victual, accumulate, amass, collect, compile, hoard, pile up, hive.

store (noun)	roll up (noun)
a mercantile establishment for the retail sale of goods or services
a depository for goods
an electronic memory device
a supply of something available for future use

store (verb)	roll up (verb)
keep or lay aside for future use	form a cylinder by rolling
find a place for and put away for storage	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