THESAURUS
whistling
acute, argute, assibilation, buzz, creaky, ear-piercing, effervescence, effervescing, fizz, fizzle, fizzling, frication, frictional rustling, hiss, hissing, howling, hush, hushing, keen, keening, lisp, penetrating, piercing, piping, reedy, rhonchus, screaky, screeching, screechy, sharp, shrieking, shrieky, shrill, shush, shushing, sibilance, sibilation, siffle, sigmatism, siss, sissing, sizz, sizzle, sizzling, sneeze, sneezing, sniff, sniffle, snore, snort, snuff, snuffle, spit, splutter, sputter, squash, squeaking, squeaky, squelch, squish, sternutation, stertor, swish, thin, ululant, wailing, wheeze, whining, whish, whistle, white noise, whiz, whoosh, zip