agitate vs convulse

agitate and convulse both are verbs.

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

As verbs, convulse is a hyponym of agitate; that is, convulse is a word with a more specific, narrower meaning than agitate:

agitate (verb)	convulse (verb)
change the arrangement or position of	be overcome with laughter
cause to be agitated, excited, or roused	make someone convulse with laughter
move very slightly	contract involuntarily, as in a spasm
move or cause to move back and forth	cause to contract
try to stir up public opinion	move or stir about violently
exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for	shake uncontrollably