line up vs stand up

line up and stand up both are verbs.

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

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

Other hypernyms of line up include stand.

line up (verb)	stand up (verb)
place in a line or arrange so as to be parallel or straight	defend against attack or criticism
take one's position before a kick-off	refuse to back down; remain solid under criticism or attack
arrange in ranks	be standing; be upright
form a queue, form a line, stand in line	put into an upright position
get something or somebody for a specific purpose	rise to one's feet
form a line	rise up as in fear
	resist or withstand wear, criticism, etc.