(without sound or voice): inaudible, silent, tacit, voiceless / (without being written): unwritten

(state without sound or voice): inaudibility, silence, tacitness, voicelessness / (state without being written): unwrittenness

a person's safety / a person's day-to-day well-being

morgue or mortuary, especially a morgue room in a hospital

underground (outside the mainstream)

rest

cheap, inexpensive / easy

San Antonio

(familiar, informal, term of address) (one's own) older brother / (familiar, informal) a young man, boy, lad / (informal) a playboy, a libertine young man

an ampersand