Noun
fool [pl. fools]
moron [pl. morons]
sucker [pl. suckers]
jackass [pl. jackasses]
mutt [pl. mutts]
buster [pl. busters]
simpleton [pl. simpletons]
goose [pl. geese]
booby [pl. boobies]
noodle [pl. noodles]
boob [pl. boobs]
dunce [pl. dunces]
dupe [pl. dupes]
ninny [pl. ninnies]
dullard [pl. dullards]
coot [pl. coots]
numskull [pl. numskulls]
zany [pl. zanies]
Adjektive
stupid [ stupider/more stupid ; stupidest/most stupid ]
foolish [ more foolish ; most foolish]
moronic [ more moronic ; most moronic]
dopey [ more dopey ; most dopey]
brainless [ more brainless ; most brainless]