9 letter words:
furrowing16,
7 letter words:
furring11,
6 letter words:
furrow12,
rowing10,
rigour7,
5 letter words:
frown11,
fugio9,
fungi9,
fungo9,
gonif9,
grown9,
owing9,
wring9,
wrong9,
wrung9,
furor8,
giron6,
groin6,
guiro6,
rigor6,
ruing6,
unrig6,
4 letter words:
frow10,
frig8,
frog8,
frug8,
gown8,
grow8,
wing8,
fino7,
firn7,
foin7,
four7,
info7,
wino7,
worn7,
girn5,
giro5,
grin5,
ring5,
rung5,
inro4,
iron4,
noir4,
nori4,
ruin4,
3 letter words:
fig7,
fog7,
fug7,
wig7,
wog7,
fin6,
fir6,
fon6,
for6,
fou6,
fro6,
fun6,
fur6,
now6,
own6,
rif6,
row6,
win6,
won6,
gin4,
gnu4,
gor4,
gun4,
nog4,
rig4,
rug4,
ion3,
nor3,
our3,
rin3,
run3,
urn3,
2 letter words:
if5,
of5,
ow5,
wo5,
go3,
in2,
no2,
nu2,
oi2,
on2,
or2,
un2,