13 letter words:
corroboration17,
11 letter words:
corroborant15,
9 letter words:
briarroot11,
8 letter words:
abortion10,
carrotin10,
octoroon10,
roborant10,
oratorio8,
7 letter words:
boronic11,
botanic11,
corbina11,
robotic11,
biotron9,
boniato9,
carotin9,
carrion9,
cartoon9,
coranto9,
cortina9,
taborin9,
tricorn9,
oration7,
6 letter words:
bicorn10,
bicron10,
bonaci10,
boocoo10,
bronco10,
carbon10,
corban10,
action8,
aortic8,
atonic8,
barrio8,
bonita8,
bonito8,
cantor8,
carrot8,
carton8,
cation8,
citron8,
contra8,
corona8,
cortin8,
craton8,
croton8,
obtain8,
octroi8,
racoon8,
rancor8,
trocar8,
aroint6,
orator6,
ration6,
ratoon6,
5 letter words:
bacon9,
banco9,
baric9,
boric9,
bract9,
bronc9,
cabin9,
carbo9,
carob9,
cobia9,
cobra9,
rabic9,
aboon7,
abort7,
acorn7,
actin7,
actor7,
antic7,
arbor7,
bairn7,
baron7,
baton7,
biont7,
biota7,
boart7,
boron7,
brain7,
brant7,
briar7,
cairn7,
canto7,
coati7,
conto7,
coria7,
cotan7,
croon7,
narco7,
naric7,
octan7,
ontic7,
orbit7,
orcin7,
racon7,
robin7,
robot7,
taboo7,
tabor7,
taroc7,
tonic7,
toric7,
triac7,
intro5,
nitro5,
noria5,
ratio5,
riant5,
rotor5,
train5,
trona5,
4 letter words:
carb8,
crab8,
crib8,
abri6,
arco6,
bait6,
bani6,
barn6,
bint6,
biro6,
birr6,
boar6,
boat6,
boon6,
boor6,
boot6,
bora6,
born6,
bort6,
bota6,
bran6,
brat6,
brin6,
brio6,
brit6,
broo6,
brrr6,
cain6,
cant6,
carn6,
carr6,
cart6,
ciao6,
cion6,
coat6,
coin6,
coir6,
coni6,
coon6,
coot6,
corn6,
crit6,
icon6,
narc6,
obia6,
obit6,
orca6,
otic6,
taco6,
torc6,
airn4,
airt4,
anti4,
inro4,
into4,
iota4,
iron4,
naoi4,
noir4,
nori4,
nota4,
onto4,
orra4,
rain4,
rani4,
rant4,
rato4,
riot4,
roan4,
roar4,
root4,
rota4,
roti4,
roto4,
tain4,
tarn4,
taro4,
tiro4,
toon4,
tora4,
tori4,
torn4,
toro4,
torr4,
trio4,
3 letter words:
cab7,
cob7,
abo5,
act5,
arb5,
arc5,
ban5,
bar5,
bat5,
bin5,
bio5,
bit5,
boa5,
boo5,
bot5,
bra5,
bro5,
brr5,
can5,
car5,
cat5,
con5,
coo5,
cor5,
cot5,
nab5,
nib5,
nob5,
oba5,
obi5,
oca5,
orb5,
orc5,
rib5,
rob5,
roc5,
tab5,
tic5,
ain3,
air3,
ait3,
ani3,
ant3,
art3,
ion3,
nit3,
noo3,
nor3,
not3,
oar3,
oat3,
ono3,
oot3,
ora3,
ort3,
rai3,
ran3,
rat3,
ria3,
rin3,
rot3,
tan3,
tao3,
tar3,
tin3,
ton3,
too3,
tor3,
2 letter words:
ab4,
ba4,
bi4,
bo4,
ai2,
an2,
ar2,
at2,
in2,
it2,
na2,
no2,
oi2,
on2,
or2,
ta2,
ti2,
to2,
