straighten vs arrange

straighten and arrange both are verbs.

Word	Noun	Adjective	Verb	Adverb
straighten	No	No	Yes	No
arrange	No	No	Yes	No

As verbs, arrange is a hypernym of straighten; that is, arrange is a word with a broader meaning than straighten:

Other hypernyms of straighten include set up.

straighten (verb)	arrange (verb)
put (things or places) in order	arrange attractively
make straight or straighter	arrange thoughts, ideas, temporal events
make straight	make arrangements for
straighten by unrolling	put into a proper or systematic order
straighten up or out; make straight	adapt for performance in a different way
get up from a sitting or slouching position	set (printed matter) into a specific format
	plan, organize, and carry out (an event)