tremble vs shake

tremble and shake both are nouns.

Word	Noun	Adjective	Verb	Adverb
tremble	Yes	No	Yes	No
shake	Yes	No	Yes	No

As nouns, tremble and shake are synonyms defined as:

Other synonyms of tremble include shiver.

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

Other hypernyms of tremble include agitate.

tremble (noun)	shake (noun)
a reflex motion caused by cold or fear or excitement	a reflex motion caused by cold or fear or excitement
	causing to move repeatedly from side to side
	grasping and shaking a person's hand (as to acknowledge an introduction or to agree on a contract)
	a note that alternates rapidly with another note a semitone above it
	frothy drink of milk and flavoring and sometimes fruit or ice cream
	building material used as siding or roofing

tremble (verb)	shake (verb)
move or jerk quickly and involuntarily up and down or sideways	move with or as if with a tremor
	undermine or cause to waver
	bring to a specified condition by or as if by shaking
	shake (a body part) to communicate a greeting, feeling, or cognitive state
	stir the feelings, emotions, or peace of
	move or cause to move back and forth
	shake or vibrate rapidly and intensively
	move back and forth or sideways
	get rid of