work up vs get up

work up and get up both are verbs.

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

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

work up (verb)	get up (verb)
develop	get up and out of bed
form or accumulate steadily	cause to rise
come up with	put on special clothes to appear particularly appealing and attractive
bolster or strengthen	develop
	study intensively, as before an exam
	arrange by systematic planning and united effort
	raise from a lower to a higher position
	rise to one's feet