assibilate, assibilation, buzz, effervesce, effervescence, effervescing, fizz, fizzle, fizzling, frication, frictional rustling, hiss, hissing, hush, hushing, lisp, rhonchus, shush, shushing, sibilance, sibilate, sibilation, siffle, sigmatism, siss, sissing, sizz, sizzle, sizzling, sneeze, sneezing, sniff, sniffle, snore, snort, snuff, snuffle, spit, splutter, sputter, squash, squelch, squish, sternutation, stertor, swish, wheeze, whish, whisper, whistle, whistling, white noise, whiz, zip