mug up vs swot up

mug up and swot up both are verbs.

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

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

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

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