dumb chill
inarticulate
stupid
unarticulate
Boeotian
abiotic
anaudic
animal
animalian
animalic
animalistic
aphasic
aphonic
apish
asinine
awkward
azoic
banal
batty
beastlike
beastly
beef-brained
beef-witted
befooled
beguiled
besotted
bestial
blankminded
blockheaded
blockish
bovine
brainless
breathless
brief
brusque
brutal
brute
brutelike
brutish
buffoonish
callow
chumpish
cloddish
close
close-tongued
closemouthed
cockeyed
concise
cowish
crass
crazy
credulous
curt
dumbed
dumbing
dumbness
dumbs
blind
hard
helpless
herself
mute
old
pride
sick
silent
youth
Brum
Krum
Mum
alum
become
brum
bum
chum
clum
come
crum
crumb
cum
drum
dum
from
frum
glum
grum
gum
hum
lum
mum
mumm
mumme
numb
plum
plumb
rum
scum
slum
some
strum
stum
succumb
sum
swum
thum
thumb
um
umm
yum