mumble, murmured, exclaim, moan, snigger, whispered, chortle, blurt, grumble, groan, shout, scream, sighs, yell, swear, tuts, chunter, sneer, berate, cackled, wince, bleated, tittered, shriek, bellowed, tutting, harrumph, mouthing, smirking, holler, splutter, tutted, uttered, snivel, snicker, pitying, fiddlesticks, declaim, whine, gabbled, tsk, guffaw, weep, retch, kvetch, intone, crossly, sotto voce, shrilled, cluck, chorused, prattle, tut, bray, hissed, babbled, resignedly, cavil, snorts, edgeways, mishear, giggle, gibber, growled, nattering, squawk, snide, disdainful, harangue, overhear, jabbering, dispiritedly, smug, whimpered, cringing, simpering, exclamations, embarrassedly, whinge, politest, bawls, spake, yammered, mewl, expostulated, blathers, dumbo, stammers, mispronounce, tremble, ooh, screech, imprecations, nilly, howl, nicker, pshaw, boo, hallo, blabber, sniffy, sob, murmuring, growl, rustling, thunder, whispering, rumble, murmur, rumbling, whirr, barking, buzz, murmurings, gurgle, mutterings, rustle, hum, rattle, rattling, bitterest, curdling, direst, flabby, hear, inaudible, nebulous, spiteful, adventurous, alive, answerable, any, atrocious, audacious, bitchy, biting, blasphemous, brash

complain, complaint, kick, mouth, plain, quetch, sound, sound off, speak, talk, utter, verbalize

croak, gnarl, grumbling, maffle, maunder, murmuration, mussitate, muttering