dronam
droṇam — Droṇa; BG 2.4
droṇam ca — also Droṇa; BG 11.34
droṇam — Ācārya Droṇa; SB 10.57.2
bhīṣmam droṇam ca — to Bhīṣma and Droṇa; SB 10.68.17