shake up vs titillate

shake up and titillate both are verbs.

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

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

shake up (verb)	titillate (verb)
make fuller by shaking	excite pleasurably or erotically
change the arrangement or position of	touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements
stir the feelings, emotions, or peace of
shock physically
shake; especially (a patient to detect fluids or air in the body)
organize anew