neaten vs straighten out

neaten and straighten out both are verbs.

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

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

Other synonyms of neaten include clean up, square away, straighten, tidy, tidy up.

neaten (verb)	straighten out (verb)
care for one's external appearance	put (things or places) in order
put (things or places) in order	settle or put right
	change for the better
	make free from confusion or ambiguity; make clear
	make straight
	extricate from entanglement