bone vs swot up

bone is a noun but swot up is not a noun.

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

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

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

bone (noun)	swot up (noun)
a shade of white the color of bleached bones
rigid connective tissue that makes up the skeleton of vertebrates
the porous calcified substance from which bones are made

bone (adjective)	swot up (adjective)
consisting of or made up of bone

bone (verb)	swot up (verb)
remove the bones from	study intensively, as before an exam
study intensively, as before an exam