10 letter words:
interferon13,
8 letter words:
frontier11,
orienter8,
reorient8,
7 letter words:
fennier10,
fernier10,
ferrite10,
fornent10,
fronter10,
inferno10,
oftener10,
refiner10,
refront10,
rotifer10,
enteron7,
interne7,
intoner7,
onerier7,
reinter7,
rentier7,
tenoner7,
ternion7,
terrine7,
6 letter words:
ferine9,
ferret9,
forint9,
forrit9,
refine9,
refire9,
entire6,
intern6,
intone6,
intron6,
ironer6,
norite6,
orient6,
rennet6,
renter6,
rerent6,
retine6,
retire6,
retore6,
retorn6,
rioter6,
tenner6,
tinner6,
tonier6,
tonner6,
triene6,
5 letter words:
feint8,
fetor8,
finer8,
firer8,
forte8,
freer8,
frere8,
frier8,
front8,
frore8,
infer8,
often8,
ofter8,
refer8,
refit8,
rifer8,
enter5,
inert5,
inner5,
inter5,
intro5,
irone5,
niter5,
niton5,
nitre5,
nitro5,
nonet5,
noter5,
renin5,
rente5,
retie5,
retro5,
tenon5,
tenor5,
terne5,
toner5,
tonne5,
treen5,
trier5,
trine5,
trone5,
4 letter words:
feet7,
fere7,
fern7,
fete7,
fine7,
fino7,
fire7,
firn7,
foin7,
font7,
fore7,
fort7,
free7,
fret7,
frit7,
froe7,
info7,
neif7,
reef7,
reft7,
reif7,
rife7,
rift7,
tref7,
erne4,
inro4,
into4,
iron4,
nene4,
neon4,
nine4,
nite4,
noir4,
none4,
nori4,
note4,
rein4,
rent4,
rete4,
riot4,
rite4,
rote4,
roti4,
teen4,
tern4,
tier4,
tine4,
tire4,
tiro4,
tone4,
tore4,
tori4,
torn4,
torr4,
tree4,
trio4,
3 letter words:
eft6,
fee6,
fen6,
fer6,
fet6,
fie6,
fin6,
fir6,
fit6,
foe6,
fon6,
for6,
fro6,
oft6,
ref6,
rif6,
eon3,
ere3,
ern3,
err3,
inn3,
ion3,
ire3,
nee3,
net3,
nit3,
nor3,
not3,
one3,
ore3,
ort3,
ree3,
rei3,
ret3,
rin3,
roe3,
rot3,
tee3,
ten3,
tie3,
tin3,
toe3,
ton3,
tor3,
2 letter words:
ef5,
fe5,
if5,
of5,
en2,
er2,
et2,
in2,
it2,
ne2,
no2,
oe2,
oi2,
on2,
or2,
re2,
ti2,
to2,
