get up vs stand up

get up and stand up both are verbs.

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

As verbs, get up and stand up are synonyms defined as:

Other synonyms of get up include arise, rise, uprise.

get up (verb)	stand up (verb)
get up and out of bed	defend against attack or criticism
cause to rise	refuse to back down; remain solid under criticism or attack
put on special clothes to appear particularly appealing and attractive	be standing; be upright
develop	put into an upright position
study intensively, as before an exam	rise to one's feet
arrange by systematic planning and united effort	rise up as in fear
raise from a lower to a higher position	resist or withstand wear, criticism, etc.
rise to one's feet