8 letter words:
centring11,
7 letter words:
renting8,
ringent8,
6 letter words:
cering9,
cringe9,
cretin8,
incent8,
engirt7,
ginner7,
intern6,
tinner6,
5 letter words:
genic8,
citer7,
nicer7,
recit7,
recti7,
trice7,
reign6,
renig6,
tiger6,
tinge6,
inert5,
inner5,
inter5,
niter5,
nitre5,
renin5,
trine5,
4 letter words:
cent6,
cine6,
cire6,
cite6,
crit6,
etic6,
nice6,
rice6,
gent5,
gien5,
girn5,
girt5,
gite5,
grin5,
grit5,
ring5,
ting5,
trig5,
nine4,
nite4,
rein4,
rent4,
rite4,
tern4,
tier4,
tine4,
tire4,
3 letter words:
cig6,
ice5,
rec5,
tic5,
eng4,
erg4,
gen4,
get4,
gie4,
gin4,
git4,
neg4,
reg4,
rig4,
teg4,
ern3,
inn3,
ire3,
net3,
nit3,
rei3,
ret3,
rin3,
ten3,
tie3,
tin3,
2 letter words:
en2,
er2,
et2,
in2,
it2,
ne2,
re2,
ti2,