shake up vs reorganize

shake up and reorganize both are verbs.

Word	Noun	Adjective	Verb	Adverb
shake up	No	No	Yes	No
reorganize	No	No	Yes	No

As verbs, shake up and reorganize are synonyms defined as:

Other synonyms of shake up include reorganise.

shake up (verb)	reorganize (verb)
make fuller by shaking	organize anew
change the arrangement or position of	organize anew, as after a setback
stir the feelings, emotions, or peace of
shock physically
shake; especially (a patient to detect fluids or air in the body)
organize anew