shake up vs invigorate

shake up and invigorate both are verbs.

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

As verbs, invigorate is a hyponym of shake up; that is, invigorate is a word with a more specific, narrower meaning than shake up:

shake up (verb)	invigorate (verb)
make fuller by shaking	impart vigor, strength, or vitality to
change the arrangement or position of	make lively
stir the feelings, emotions, or peace of	give life or energy to
shock physically	heighten or intensify
shake; especially (a patient to detect fluids or air in the body)
organize anew