rupanam
rūpāṇām — for all kinds of forms;
SB 2.6.3
rūpāṇām — of the forms;
SB 3.6.15
sa-rūpāṇām — of words of the same form;
CC Madhya 24.151
sa-rūpāṇām — of words of the same form;
CC Madhya 24.297