swot up vs bone up

swot up and bone up both are verbs.

Word	Noun	Adjective	Verb	Adverb
swot up	No	No	Yes	No
bone up	No	No	Yes	No

As verbs, swot up and bone up are synonyms defined as:

Other synonyms of swot up include bone, cram, drum, get up, grind away, mug up, swot.

swot up (verb)	bone up (verb)
study intensively, as before an exam	study intensively, as before an exam