the world > physical sensation > hearing and noise > degree, kind, or quality of sound > faintness or weakness > [noun] > faint or weak sound > whispering sound
whisping1379
whispering1610
whisper1638
susurration1640
susurring1826
susurrus1826
susurrence1909
whiffle1972
1909 Athenæum 24 Apr. 491/3 The dim susurrence of cicalas in the trees.