13 letter words:
nonforfeiture19,
10 letter words:
forfeiture16,
interferon13,
9 letter words:
forefront15,
forfeiter15,
nonrioter9,
8 letter words:
fourteen11,
frontier11,
rooftree11,
neutrino8,
orienter8,
reorient8,
reuniter8,
rotenone8,
unretire8,
7 letter words:
fifteen13,
finfoot13,
forfeit13,
offerer13,
offeror13,
reoffer13,
troffer13,
turnoff13,
fennier10,
fenuron10,
fernier10,
ferrite10,
footier10,
forerun10,
fornent10,
fortune10,
fronter10,
fronton10,
fruiter10,
funnier10,
inferno10,
oftener10,
outfire10,
refiner10,
refront10,
refuter10,
rotifer10,
turfier10,
enteron7,
interne7,
intoner7,
neurine7,
neurone7,
neutron7,
onerier7,
reinter7,
rentier7,
reroute7,
retinue7,
reunion7,
reunite7,
rootier7,
routine7,
runnier7,
runtier7,
tenoner7,
ternion7,
terrine7,
uterine7,
6 letter words:
effort12,
niffer12,
runoff12,
toffee12,
truffe12,
ferine9,
ferret9,
foetor9,
footer9,
footie9,
forint9,
forrit9,
funner9,
furore9,
refine9,
refire9,
refute9,
reroof9,
roofer9,
roofie9,
unfree9,
unroof9,
enroot6,
entire6,
intern6,
intone6,
intron6,
inturn6,
ionone6,
ironer6,
neuron6,
neuter6,
norite6,
notion6,
orient6,
rennet6,
renter6,
rerent6,
retine6,
retire6,
retore6,
retorn6,
retune6,
return6,
rioter6,
ronion6,
rooter6,
router6,
ruiner6,
runner6,
tenner6,
tenour6,
tenure6,
tinner6,
tonier6,
tonner6,
toonie6,
torero6,
tourer6,
triene6,
triune6,
tureen6,
turion6,
turner6,
turnon6,
uniter6,
unrent6,
unroot6,
untorn6,
ureter6,
5 letter words:
fifer11,
offer11,
ruffe11,
feint8,
fetor8,
finer8,
firer8,
forte8,
fount8,
freer8,
frere8,
frier8,
front8,
frore8,
fruit8,
furor8,
futon8,
infer8,
often8,
ofter8,
refer8,
refit8,
rifer8,
unfit8,
ennui5,
enter5,
enure5,
inert5,
inner5,
inrun5,
inter5,
intro5,
inure5,
inurn5,
irone5,
niter5,
niton5,
nitre5,
nitro5,
nonet5,
noter5,
onion5,
oorie5,
ourie5,
outer5,
outre5,
renin5,
rente5,
rerun5,
retie5,
retro5,
rotor5,
rouen5,
route5,
rutin5,
tenon5,
tenor5,
terne5,
toner5,
tonne5,
treen5,
trier5,
trine5,
trone5,
truer5,
tuner5,
union5,
unite5,
untie5,
urine5,
uteri5,
4 letter words:
fief10,
fife10,
riff10,
ruff10,
teff10,
tiff10,
toff10,
tuff10,
enuf7,
feet7,
fere7,
fern7,
fete7,
fine7,
fino7,
fire7,
firn7,
foin7,
font7,
foot7,
fore7,
fort7,
four7,
free7,
fret7,
frit7,
froe7,
info7,
neif7,
reef7,
reft7,
reif7,
rife7,
rift7,
roof7,
tofu7,
tref7,
turf7,
erne4,
etui4,
euro4,
inro4,
into4,
iron4,
nene4,
neon4,
nine4,
nite4,
noir4,
none4,
noon4,
nori4,
note4,
noun4,
onto4,
rein4,
rent4,
rete4,
riot4,
rite4,
root4,
rote4,
roti4,
roto4,
roue4,
rout4,
ruer4,
ruin4,
rune4,
runt4,
teen4,
tern4,
tier4,
tine4,
tire4,
tiro4,
tone4,
toon4,
tore4,
tori4,
torn4,
toro4,
torr4,
tour4,
tree4,
trio4,
true4,
tune4,
turn4,
unit4,
unto4,
3 letter words:
eff9,
iff9,
off9,
eft6,
fee6,
fen6,
fer6,
fet6,
feu6,
fie6,
fin6,
fir6,
fit6,
foe6,
fon6,
for6,
fou6,
fro6,
fun6,
fur6,
oft6,
ref6,
rif6,
eon3,
ere3,
ern3,
err3,
inn3,
ion3,
ire3,
nee3,
net3,
nit3,
noo3,
nor3,
not3,
nun3,
nut3,
one3,
ono3,
oot3,
ore3,
ort3,
our3,
out3,
ree3,
rei3,
ret3,
rin3,
roe3,
rot3,
rue3,
run3,
rut3,
tee3,
ten3,
tie3,
tin3,
toe3,
ton3,
too3,
tor3,
tui3,
tun3,
urn3,
ute3,
2 letter words:
ef5,
fe5,
if5,
of5,
en2,
er2,
et2,
in2,
it2,
ne2,
no2,
nu2,
oe2,
oi2,
on2,
or2,
re2,
ti2,
to2,
un2,
ut2,
