cog vs roll out

cog and roll out both are nouns.

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

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

Other hypernyms of cog include roll.

cog (noun)	roll out (noun)
tooth on the rim of gear wheel	the act of officially distributing a new product or service to the public
a subordinate who performs an important but routine function

cog (verb)	roll out (verb)
join pieces of wood with cogs	flatten or spread with a roller
roll steel ingots	straighten by unrolling
	to distribute systematically or strategically
	officially distribute a new product or service to the public