shake up vs shake

shake up is not a noun while shake is a noun.

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

As verbs, shake is a hypernym of shake up; that is, shake is a word with a broader meaning than shake up:

Other hypernyms of shake up include agitate.

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

Other synonyms of shake up include excite, stimulate, stir.

As verbs, shake is a hypernym of shake up; that is, shake is a word with a broader meaning than shake up:

Other hypernyms of shake up include agitate.

shake up (noun)	shake (noun)
	a reflex motion caused by cold or fear or excitement
	causing to move repeatedly from side to side
	grasping and shaking a person's hand (as to acknowledge an introduction or to agree on a contract)
	a note that alternates rapidly with another note a semitone above it
	frothy drink of milk and flavoring and sometimes fruit or ice cream
	building material used as siding or roofing

shake up (verb)	shake (verb)
make fuller by shaking	move with or as if with a tremor
change the arrangement or position of	undermine or cause to waver
stir the feelings, emotions, or peace of	bring to a specified condition by or as if by shaking
shock physically	shake (a body part) to communicate a greeting, feeling, or cognitive state
shake; especially (a patient to detect fluids or air in the body)	stir the feelings, emotions, or peace of
organize anew	move or cause to move back and forth
	shake or vibrate rapidly and intensively
	move back and forth or sideways
	get rid of