agitate vs concuss

agitate and concuss both are verbs.

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

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

agitate (verb)	concuss (verb)
change the arrangement or position of	injure the brain; sustain a concussion
cause to be agitated, excited, or roused	shake violently
move very slightly
move or cause to move back and forth
try to stir up public opinion
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