dispense vs roll out

dispense is not a noun while roll out is a noun.

Word	Noun	Adjective	Verb	Adverb
dispense	No	No	Yes	No
roll out	Yes	No	Yes	No

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

Other hyponyms of dispense include allot, assign, portion, reallot, deal, apply, give.

dispense (noun)	roll out (noun)
	the act of officially distributing a new product or service to the public

dispense (verb)	roll out (verb)
give or apply (medications)	flatten or spread with a roller
administer or bestow, as in small portions	straighten by unrolling
grant a dispensation; grant an exemption	to distribute systematically or strategically
	officially distribute a new product or service to the public