sanka
śańka-āspadam — based on many doubts;
SB 1.15.1
śańkā — doubt;
SB 10.26.14
śańkā — the doubt;
SB 10.26.15
śańkā — doubt;
CC Adi 13.117
śańkā — doubt;
CC Madhya 24.69
aniṣṭā-śańkā — doubts of some mishap;
CC Antya 18.39