sort out vs straighten out

sort out and straighten out both are verbs.

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

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

sort out and straighten out: make free from confusion or ambiguity; make clear

sort out (verb)	straighten out (verb)
arrange or order by classes or categories	put (things or places) in order
make free from confusion or ambiguity; make clear	settle or put right
punish in order to gain control or enforce obedience	change for the better
	make free from confusion or ambiguity; make clear
	make straight
	extricate from entanglement