Gobble, Grind, Gripe, Groan, Grouch, Grouse, Growl, Grumble, Grunt, Harshness, Hiss, Hit, Hoarseness, Holler, Honk, Hoot, Howl, Ice, Jangle, Jar, Kick, Lisp, Lisping, Lower, Menace, Mince, Murmur, Mutter, Off, Pass, Peep, Pip, Pipe, Portend, Quack, Quarrel, Quaver, Rasp, Roll, Scold, Scrape, Scratch, Settle, Shake, Sing, Snarl, Snore, Squawk, Threaten, Tremor, Trill, Twang, Tweet, Twit, Twitter, Warble, Warn, Waste, Whistle, Yap, Yelp, Zap, Apprehend, Beef, Belch, Bitch, Blare, Blast, Blat, Bode, Bray, Burr, Buzz, Cackle, Call, Carol, Caw, Chatter, Cheep, Chirp, Chuck, Clang, Clank, Clash, Cluck, Complain, Conk, Coo, Crab, Crow, Crunch, Cuckoo, Die, Drawl, Drum, Erase, Expire, Falsetto, Fix, Forewarn, Fret, Fuss, Gabble, Gaggle, Get