sankarsanam—the drawing together SB 5.25.1
sankarsanam—the Supreme Personality of Godhead, Sankarsana SB 6.15.27
sankarsanam—by the name Sankarsana SB 10.2.13
sankarsanam—by the name Sankarsana, or uniting two families SB 10.8.12
Can't find any compound Sanskrit words containing sankarsanam.