Susurrus / susurration (noun): whispering sound
Susurrous / Susurrant (adj): Pertaining to a susurrus, having or similar to whispering or rustling sounds.
Susurrate (verb): make a whispering, rustling sound.
"Lila's susurrous voice drove all men mad—some with lust, others with disgust."
"Leaves become susurrous when the wind rakes them in the fall."
"The susurrous stockings on women walking speak to some men, while others prefer the susurrous banter of a steak on the grill."