All of them, the whole fifty-six, took the commonest Earth family names they could find, and dropped their own name-designations whose slobbering Sibilance made them difficult for us to pronounce and write.
"Backlash"
Winston Marks
One word was repeated with a long-drawn Sibilance: "Espion!
"The Soul of the War"
Philip Gibbs
The rope cut through the air with vicious Sibilance and fell across the stooped shoulders.
"The Everlasting Whisper"
Jackson Gregory