1530s, "unable to speak," from voice (n.) + -less. Meaning "having no say in affairs" is from 1630s; that of "unspoken, unuttered" is from 1816. In phonology, "unvoiced," from 1867. Related: Voicelessly; voicelessness.
voiceless whispers
labor was voiceless
vociferation
vociferous
vodka
vogue
voice
voiceless
voicemail
void
voidable
voila
voile