tussic / tussock [ˈtʌsək]
tussic – adj. – related to or manifested by a cough
tussock – n. – 1. a tuft or bunch of hair; 2. a clump or matted growth forming a small hillock of grass, sedge etc.; 3. a caterpillar of one of the moths of the genus Orgyia, which have long tufts or bristles or hairs