siddhanam—of the great mystics SB 9.4.25
siddhanam—who are perfect (because they understand the insignificance of bodily comforts) SB 6.14.5
siddhanam—of all those who are perfected Bg 10.26
siddhanam—of all the residents of Siddhaloka SB 4.10.14
siddhanam—and the inhabitants of Siddhaloka, who are expert in yogic power SB 6.17.26
siddhanam—of those who have achieved perfection Bg 7.3
Can't find any compound Sanskrit words containing siddhanam.