Moan, Mouth, Mouthing, Muddle, Mumble, Mumbling, Murmur, Murmuring, Outcry, Pant, Pipe, Plaint, Repine, Roar, Rumble, Scold, Scream, Screech, Shriek, Sigh, Sing, Snap, Snarl, Snort, Sob, Splutter, Sputter, Squall, Squawk, Squeal, Swallow, Thunder, Tirade, Trumpet, Twang, Undertone, Wail, Warble, Whimper, Whine, Whisper, Whispering, Whistle, Yap, Yell, Yelp, Yowl, Aspirate, Aspiration, Bark, Bawl, Beef, Bellow, Bitch, Blare, Blat, Blubber, Boom, Bray, Breath, Breathe, Buzz, Cackle, Chant, Chirp, Complain, Coo, Crab, Croak, Crow, Cry, Drawl, Drone, Droning, Exclaim, Exhalation, Flute, Fret, Fumble, Fuss, Gabble, Gasp, Gibber, Gibbering, Gripe, Groan, Grouch, Grouse, Growl, Grumble, Grunt, Hiss, Holler, Howl, Jabber, Keen, Kick, Lament, Lilt