N. aphony, aphonia, dumbness, obmutescence, absence of voice, want of voice, dysphony, cacoepy, silence, raucity, harsh voice, unmusical voice, falsetto, "childish treble mute", dummy

V. keep silence, speak low, speak softly, whisper, silence, render mute, render silent, muzzle, muffle, suppress, smother, gag, strike dumb, dumfounder, drown the voice, put to silence, stop one's mouth, cut one short, stick in the throat

Adj. aphonous, dumb, mute, deafmute, deaf and dumb, mum, tongue- tied, breathless, tongueless, voiceless, speechless, wordless, mute as a fish, mute as a stockfish, mute as a mackerel, silent, muzzled, inarticulate, inaudible, croaking, raucous, hoarse, husky, dry, hollow, sepulchral, hoarse as a raven, rough

Adv. with bated breath, with the finger on the lips, sotto voce, in a low tone, in a cracked voice, in a broken voice

Phr. vox faucibus haesit