stand up vs get up

stand up and get up both are verbs.

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

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

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

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