fisher / fissure [ˈfɪʃɜr]
fisher – n. – 1. a fisherman; 2. also called pekan – a large North American marten having dark brown fur; 3. the fur of this animal
fissure – n. & v. – n. – 1. a long narrow cleft or crack, especially in rock or ice; 2. weakness or flaw; 3. Anatomy a narrow split or groove that divides an organ such as the brain, lung or liver into lobes; v. intr. – to crack or split apart