soft
groove fricative
hissing
fricative
fricative consonant
spirant
sibilance
sibilancy
sibilate
sibilation
anguished
birdlike
breathy
drawn-out
gruff
guttural
half-uttered
husky
long-drawn
low-pitched
melodious
plaintive
rasp
raspy
raucous
soundless
squeaky
tinny
unmusical
whispery
wordless