11 letter words:
reprehended18,
9 letter words:
reprehend15,
8 letter words:
deepened12,
deepener11,
rendered10,
7 letter words:
preened10,
preener9,
6 letter words:
heeded11,
herded11,
depend10,
heeder10,
herder10,
pended10,
deepen9,
deeper9,
peened9,
peered9,
needed8,
redden8,
redder8,
reeded8,
rended8,
needer7,
render7,
5 letter words:
heder9,
preed8,
dreed7,
ended7,
preen7,
reded7,
ender6,
erred6,
4 letter words:
heed8,
herd8,
deep7,
here7,
hern7,
peed7,
pend7,
deed6,
epee6,
neep6,
peen6,
peer6,
pere6,
pree6,
redd6,
deer5,
dene5,
dere5,
dree5,
need5,
nerd5,
rede5,
reed5,
rend5,
erne4,
3 letter words:
hep8,
peh8,
edh7,
hen6,
her6,
ped6,
pee5,
pen5,
per5,
rep5,
dee4,
den4,
end4,
red4,
ere3,
ern3,
err3,
nee3,
ree3,
2 letter words:
eh5,
he5,
pe4,
de3,
ed3,
en2,
er2,
ne2,
re2,