hit the books vs swot

hit the books is not a noun while swot is a noun.

Word	Noun	Adjective	Verb	Adverb
hit the books	No	No	Yes	No
swot	Yes	No	Yes	No

As verbs, swot is a hyponym of hit the books; that is, swot 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, get up, grind away, mug up, swot up.

hit the books (noun)	swot (noun)
	an insignificant student who is ridiculed as being affected or boringly studious

hit the books (verb)	swot (verb)
learn by reading books	study intensively, as before an exam