Second, root-affix combinations have unpredictable meanings; the neat scheme for interpreting the meaning of the whole from the meaning of the parts breaks down. Complexity is the state of being complex, but electricity is not the state of being electric (you would never say that the electricity of this new can opener makes it convenient); it is the force powering something electric. Similarly, instrumental has nothing to do with instruments, intoxicate is not about toxic substances, one does not recite at a recital, and a five-speed transmission is not an act of transmitting.
