Similar-sounding words in the dictionary:
3 letters:
cas,
das,
gas,
ras,
sas,
use,
yak,
yam,
yan,
yap,
yax,
yes 4 letters:
bass,
cass,
dass,
fahs,
fass,
gass,
hass,
jass,
kass,
lass,
mass,
nass,
pass,
sass,
tass,
vass,
yack,
yahn,
yang,
yapp,
yaps,
yoss 