addlebrain
addlehead
addlepate
beefhead
blockhead
blubberhead
blunderhead
bonehead
bufflehead
cabbagehead
chowderhead
chucklehead
clodhead
clodpate
clodpoll
dolt
dolthead
dullhead
dumbhead
dunce
dunderhead
dunderpate
fathead
fool
jolterhead
jughead
knucklehead
lunkhead
meathead
muddlehead
mushhead
muttonhead
noodlehead
peabrain
pinbrain
pinhead
puddinghead
pumpkin head
puzzlehead
stupidhead
thickhead
thickskull
tottyhead
numbskull
dullard
pillock
poor fish
pudden-head
pudding head
stupe
stupid
stupid person
Nazi
bungler
coot
frump
gradualist
handicraftsman
hern
ignoramus
lackwit
matter-of-factness
mooncalf
ninny
oaf
obstructionist
ribber
simpleton
sloven
steam-packet
water-hen