roll up vs come

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

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

As verbs, come is a hypernym of roll up; that is, come is a word with a broader meaning than roll up:

Other hypernyms of roll up include arrive, get.

roll up (noun)	come (noun)
	the thick white fluid containing spermatozoa that is ejaculated by the male genital tract

roll up (verb)	come (verb)
form a cylinder by rolling	come to pass; arrive, as in due course
form into a cylinder by rolling	be found or available
show certain properties when being rolled	reach or enter a state, relation, condition, use, or position
make into a bundle	happen as a result
close (a car window) by causing it to move up, as with a handle	have a certain priority
arrive in a vehicle:	come to one's mind; suggest itself
get or gather together	move toward, travel toward something or somebody or approach something or somebody
	be received
	cover a certain distance
	reach a destination; arrive by movement or progress
	experience orgasm
	come under, be classified or included
	proceed or get along
	extend or reach
	to be the product or result
	exist or occur in a certain point in a series
	be a native of
	to measure up to in kind or quality
	add up in number or quantity
	come forth
	come from; be connected by a relationship of blood, for example