Which adjective comes before "as leather" and "as nails" in similes?

Complete the title of Eugene O'Neill's 1928 play: "___ Interlude". The 1890s are often nicknamed the "___ Nineties". Which adjective fills the blank? Which adjective describes the Church of England? Which adjective describes the split hoof of a goat, or the devil? Which adjective is in the name of the rag dolls Ann and Andy? Which adjective, meaning nightmarishly bureaucratic, was inspired by novelist Franz? What does "p.m." mean when used in medicine to mean after death? Which adjective means artificial or synthetic, from the German for "replacement"?