THESAURUS
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