straighten vs roll out

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

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

As verbs, straighten and roll out are synonyms defined as:

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

straighten (verb)	roll out (verb)
put (things or places) in order	flatten or spread with a roller
make straight or straighter	straighten by unrolling
make straight	to distribute systematically or strategically
straighten by unrolling	officially distribute a new product or service to the public
straighten up or out; make straight
get up from a sitting or slouching position