stifle
drown
smother
suffocated
quizzle
overlie
smotheration
asphyxiate
smothercate
suffocatingly
scomfish
burke
stiflingly
lose one's head
suffocation
suffocating
lividity
rope
go down with
promote to Glory
smoulder
throttle
unsuffocate
life-threatening
sputter out
pass in one's checks
cop one's whack
turn to dust
drop off the hooks
croak
flatline
go
cash in
fatalize
go belly-up
go out
fall off one's perch
hand in one's dinner pail
take a dirt nap
meet one's end
cash in one's chips
cock one's toes
pop one's clogs
pass the river
meet one's doom
bite the big one
go the way of all the earth
pass away
slip one's wind
bite the biscuit