Wiktionary
sibilances
n. (plural of sibilance English)
Usage examples of "sibilances".
There was a singing discernible on the line in the ensuing silence between them and, faintly, Nicholas could make out the inconstant sibilances of other voices, like ghosts', raised in argument.
From her lips came the same hideous soft sibilances, and Bran, though he had already known the grisly secret of her being, knew that never again could he touch her save with soul-shaken loathing.