jar vs shake up

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

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

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

Other synonyms of jar include bump around.

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

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