convulse vs shake

convulse is not a noun while shake is a noun.

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

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

Other hypernyms of convulse include agitate.

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

Other hypernyms of convulse include agitate.

convulse (noun)	shake (noun)
	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

convulse (verb)	shake (verb)
be overcome with laughter	move with or as if with a tremor
make someone convulse with laughter	undermine or cause to waver
contract involuntarily, as in a spasm	bring to a specified condition by or as if by shaking
cause to contract	shake (a body part) to communicate a greeting, feeling, or cognitive state
move or stir about violently	stir the feelings, emotions, or peace of
shake uncontrollably	move or cause to move back and forth
	shake or vibrate rapidly and intensively
	move back and forth or sideways
	get rid of