Purpura :: Purpura (n.) A disease characterized by livid spots on the skin from extravasated blood, with loss of muscular strength, pain in the limbs, and mental dejection; the purples..
Purpura :: Purpura (n.) A genus of marine gastropods, usually having a rough and thick shell. Some species yield a purple dye..
Purpurate :: Purpurate (a.) Of or pertaining to purpura.
Purpurate :: Purpurate (n.) A salt of purpuric acid.