abandon
accede
accept
acquiesce
assent
be agreeable
be done for
be lost
be no more
bite the dust
black out
blow
bow
bow to
break down
burn out
capitulate
cash in
cave
cease
cease to be
cease to live
collapse
come to naught
come to nothing
comply
conk out
consent
crack up
decease
defer
defer to
demise
depart
depart this life
die
disappear
droop
drop
end
expire
face the music
fade away
faint
fall
fall asleep
fall senseless
fatigue
flag
buy the farm
cash in one's chips
choke
conk
croak
drop dead
exit
give-up the ghost
go
kick the bucket
pass
pass away
perish
pop off
snuff it
succumbed
succumbing
succumbs
Brum
Krum
Mum
alum
become
brum
bum
chum
clum
come
crum
crumb
cum
drum
dum
dumb
from
frum
glum
grum
gum
hum
lum
mum
mumm
mumme
numb
plum
plumb
rum
scum
slum
some
strum
stum
sum
swum
thum
thumb
um
umm
yum