svanah

svanaḥ — whose sounds (Vedic mantras); SB 5.18.26
śvānaḥ — dogs; SB 5.26.27
bhīma-svanaḥ — sounding extremely fearful; SB 6.8.25
svanaḥ — sound; SB 8.8.26
gambhīra-paruṣa-svanāḥ — making very deep rumbling sounds; SB 8.10.49