S1I1B3I1L1A1N1T1
10 points
SIBILANT is validvalid
a speech sound produced by the fricative passage of breath through a narrow orifice [n SIBILANTS]
hissing, also SIBILOUS [adj SIBILANTLY] / a hissing sound [n -S]
a speech sound produced by the fricative passage of breath through a narrow orifice [n SIBILANTS]
hissing, also SIBILOUS [adj SIBILANTLY] / a hissing sound [n -S]