stand up vs stand up

stand up and stand up both are verbs.

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

stand up (verb)	stand up (verb)
defend against attack or criticism	defend against attack or criticism
refuse to back down; remain solid under criticism or attack	refuse to back down; remain solid under criticism or attack
be standing; be upright	be standing; be upright
put into an upright position	put into an upright position
rise to one's feet	rise to one's feet
rise up as in fear	rise up as in fear
resist or withstand wear, criticism, etc.	resist or withstand wear, criticism, etc.