shake up vs jar

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

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

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

Other synonyms of shake up include bump around.

shake up (noun)	jar (noun)
	a cylindrical vessel, typically used for storing food
	a sudden jarring impact
	the quantity contained in a jar

shake up (verb)	jar (verb)
make fuller by shaking	place in a cylindrical vessel
change the arrangement or position of	affect in a disagreeable way
stir the feelings, emotions, or peace of	move or cause to move with a sudden jerky motion
shock physically	shock physically
shake; especially (a patient to detect fluids or air in the body)	be incompatible; be or come into conflict
organize anew