掴む （つかむ） to seize, to catch, to grasp, to grip, to grab, to clutch, to hold, to catch hold of, to lay one's hands on, to obtain, to acquire, to get, to win, to capture, to understand, to grasp, to comprehend

捕まる （つかまる） to be caught, to be arrested, to hold on to, to grasp, to find (e.g. proof), to get (e.g. a taxi), to be detained by