shake up vs vex

shake up and vex both are verbs.

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

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

Other synonyms of shake up include agitate, commove, disturb, raise up, stir up.

shake up (verb)	vex (verb)
make fuller by shaking	be a mystery or bewildering to
change the arrangement or position of	subject to prolonged examination, discussion, or deliberation
stir the feelings, emotions, or peace of	change the arrangement or position of
shock physically	cause annoyance in; disturb, especially by minor irritations
shake; especially (a patient to detect fluids or air in the body)	disturb the peace of mind of; afflict with mental agitation or distress
organize anew