10 letter words:
interfiber15,
9 letter words:
benefiter14,
interfere12,
inebriate11,
retrainee9,
8 letter words:
afferent14,
efferent14,
firebrat13,
ferritin11,
ratifier11,
referent11,
banterer10,
brainier10,
tenebrae10,
inertiae8,
retainer8,
7 letter words:
fifteen13,
barefit12,
beefier12,
benefit12,
briefer12,
freebie12,
fainter10,
fernier10,
ferrate10,
ferrite10,
fierier10,
niftier10,
reefier10,
refiner10,
refrain10,
reifier10,
arbiter9,
barnier9,
beerier9,
betaine9,
brinier9,
rarebit9,
rebater9,
arenite7,
enterer7,
inertia7,
niterie7,
rainier7,
reenter7,
reinter7,
rentier7,
retinae7,
retiree7,
retrain7,
tearier7,
teenier7,
terrain7,
terrane7,
terreen7,
terrene7,
terrine7,
trainee7,
trainer7,
6 letter words:
biffin14,
affine12,
effete12,
iffier12,
niffer12,
tariff12,
tiffin12,
befret11,
bereft11,
fibrin11,
afreet9,
faerie9,
fainer9,
fairer9,
fearer9,
feater9,
feirie9,
feriae9,
ferine9,
ferret9,
finite9,
frater9,
infare9,
rafter9,
reefer9,
refine9,
refire9,
baiter8,
banter8,
barite8,
barren8,
barret8,
barter8,
beanie8,
bearer8,
beaten8,
beater8,
berate8,
binate8,
briner8,
rebait8,
rebate8,
ribier8,
terbia8,
tibiae8,
aerier6,
airier6,
artier6,
earner6,
eerier6,
entera6,
entire6,
entree6,
errant6,
eterne6,
irater6,
nearer6,
neater6,
ranter6,
ratine6,
reearn6,
renter6,
rerent6,
retain6,
retear6,
retene6,
retina6,
retine6,
retire6,
tearer6,
teener6,
teniae6,
terrae6,
tinier6,
triene6,
5 letter words:
fifer11,
befit10,
brief10,
fiber10,
fibre10,
afire8,
afrit8,
after8,
faint8,
farer8,
feint8,
feria8,
finer8,
firer8,
freer8,
frena8,
frere8,
friar8,
frier8,
infer8,
infra8,
refer8,
refit8,
rifer8,
bairn7,
barer7,
barre7,
beret7,
biner7,
binit7,
biter7,
brain7,
brant7,
brent7,
briar7,
brier7,
brine7,
rebar7,
taber7,
tibia7,
tribe7,
aerie5,
airer5,
antre5,
arene5,
arete5,
eaten5,
eater5,
eerie5,
enate5,
enter5,
entia5,
inert5,
inter5,
irate5,
niter5,
nitre5,
ranee5,
rater5,
rente5,
reran5,
retia5,
retie5,
riant5,
tarre5,
tenia5,
terai5,
terne5,
terra5,
tinea5,
train5,
treen5,
trier5,
trine5,
4 letter words:
baff12,
biff12,
fief10,
fife10,
naff10,
raff10,
riff10,
teff10,
tiff10,
barf9,
beef9,
feeb9,
fain7,
fair7,
fane7,
fare7,
fart7,
fate7,
fear7,
feat7,
feet7,
fere7,
fern7,
feta7,
fete7,
fiar7,
fiat7,
fine7,
fire7,
firn7,
frae7,
frat7,
free7,
fret7,
frit7,
naif7,
neif7,
raft7,
reef7,
reft7,
reif7,
rife7,
rift7,
tref7,
abet6,
abri6,
bait6,
bane6,
bani6,
bare6,
barn6,
bate6,
bean6,
bear6,
beat6,
been6,
beer6,
beet6,
bene6,
bent6,
beta6,
bier6,
bine6,
bint6,
birr6,
bite6,
brae6,
bran6,
brat6,
bree6,
bren6,
brie6,
brin6,
brit6,
nabe6,
airn4,
airt4,
ante4,
anti4,
earn4,
erne4,
etna4,
inia4,
inti4,
near4,
neat4,
nite4,
rain4,
rani4,
rant4,
rare4,
rate4,
rear4,
rein4,
rent4,
rete4,
rite4,
tain4,
tare4,
tarn4,
tear4,
teen4,
tern4,
tier4,
tine4,
tire4,
tree4,
3 letter words:
aff9,
eff9,
iff9,
fab8,
fib8,
aft6,
arf6,
eft6,
fan6,
far6,
fat6,
fee6,
fen6,
fer6,
fet6,
fie6,
fin6,
fir6,
fit6,
ref6,
rif6,
arb5,
ban5,
bar5,
bat5,
bee5,
ben5,
bet5,
bin5,
bit5,
bra5,
brr5,
nab5,
neb5,
nib5,
reb5,
rib5,
tab5,
ain3,
air3,
ait3,
ane3,
ani3,
ant3,
are3,
art3,
ate3,
ear3,
eat3,
era3,
ere3,
ern3,
err3,
eta3,
ire3,
nae3,
nee3,
net3,
nit3,
rai3,
ran3,
rat3,
ree3,
rei3,
ret3,
ria3,
rin3,
tae3,
tan3,
tar3,
tea3,
tee3,
ten3,
tie3,
tin3,
2 letter words:
ef5,
fa5,
fe5,
if5,
ab4,
ba4,
be4,
bi4,
ae2,
ai2,
an2,
ar2,
at2,
en2,
er2,
et2,
in2,
it2,
na2,
ne2,
re2,
ta2,
ti2,