fright vs shake up

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

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

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

Other hypernyms of fright include excite, shake, stimulate, stir.

fright (noun)	shake up (noun)
an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)

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