hit the books vs get up

hit the books and get up both are verbs.

Word	Noun	Adjective	Verb	Adverb
hit the books	No	No	Yes	No
get up	No	No	Yes	No

As verbs, get up is a hyponym of hit the books; that is, get up is a word with a more specific, narrower meaning than hit the books:

Other hyponyms of hit the books include con, learn, memorise, memorize, bone, bone up, cram, drum, grind away, mug up, swot, swot up.

hit the books (verb)	get up (verb)
learn by reading books	get up and out of bed
	cause to rise
	put on special clothes to appear particularly appealing and attractive
	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