9 letter words:
recertify17,
7 letter words:
certify15,
rectify15,
ferrety13,
terrify13,
fiercer12,
ferrite10,
reciter9,
6 letter words:
ferity12,
ferric11,
fierce11,
refect11,
ferret9,
refire9,
cerite8,
recite8,
tierce8,
retire6,
5 letter words:
ferry11,
feyer11,
fiery11,
firry11,
fryer11,
reefy11,
refry11,
reify11,
eyrie8,
eyrir8,
firer8,
freer8,
frere8,
frier8,
refer8,
refit8,
retry8,
rifer8,
terry8,
citer7,
crier7,
erect7,
recit7,
recti7,
ricer7,
terce7,
trice7,
retie5,
trier5,
4 letter words:
fyce12,
city9,
fice9,
eery7,
eyer7,
eyre7,
feet7,
fere7,
fete7,
fire7,
free7,
fret7,
frit7,
reef7,
reft7,
reif7,
rife7,
rift7,
tref7,
trey7,
tyee7,
tyer7,
tyre7,
yeti7,
yirr7,
cere6,
cete6,
cire6,
cite6,
crit6,
etic6,
rice6,
rete4,
rite4,
tier4,
tire4,
tree4,
3 letter words:
fey9,
fry9,
cry8,
icy8,
eft6,
eye6,
fee6,
fer6,
fet6,
fie6,
fir6,
fit6,
ref6,
rif6,
rye6,
try6,
tye6,
yet6,
cee5,
ice5,
rec5,
tic5,
ere3,
err3,
ire3,
ree3,
rei3,
ret3,
tee3,
tie3,
2 letter words:
ef5,
fe5,
if5,
ye5,
er2,
et2,
it2,
re2,
ti2,