line up vs arrange

line up and arrange both are verbs.

Word	Noun	Adjective	Verb	Adverb
line up	No	No	Yes	No
arrange	No	No	Yes	No

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

Other hypernyms of line up include set up.

line up (verb)	arrange (verb)
place in a line or arrange so as to be parallel or straight	arrange attractively
take one's position before a kick-off	arrange thoughts, ideas, temporal events
arrange in ranks	make arrangements for
form a queue, form a line, stand in line	put into a proper or systematic order
get something or somebody for a specific purpose	adapt for performance in a different way
form a line	set (printed matter) into a specific format
	plan, organize, and carry out (an event)