sirasam
sahasra-śirasam — with a thousand heads; SB 3.26.25
na eka-śirasām — who have many hoods; SB 5.24.29
bhagna-śirasam — his heads crushed; SB 10.16.54
śirasam — having heads; SB 10.39.44-45
śruti-śirasām — of the topmost Vedic knowledge; CC Madhya 24.120