asani
aśani-nisvanaḥ — roaring like thunder; SB 3.18.7
aśani — thunderbolts; SB 4.10.26
aśani — like thunderbolts; SB 6.8.24
aśani — thunderbolt; SB 10.16.18
aśani — (like the sound) of lightning; SB 10.59.6