I'm stuck In My Opinion, I _ _, Fodder, OI _ CAKE and Rotary Food-mill,
M _ _ _ I, in the top-left hand corner. I'm not sure if OATCAKE means Fodder, but then I can't have IOTA for Ninth Greek Letter!
Chambers;
oil cake noun a feedstuff for livestock, especially cattle, made from the crushed residue that remains after most of the oil has been extracted from linseed, soybean or other oil-bearing seeds.