7 letter words:
rancour9,
6 letter words:
uncork12,
koruna10,
kronur10,
carron8,
cornua8,
curran8,
rancor8,
5 letter words:
crank11,
croak11,
cronk11,
knaur9,
knurr9,
korun9,
koura9,
krona9,
acorn7,
cornu7,
cruor7,
crura7,
narco7,
racon7,
4 letter words:
cark10,
cauk10,
conk10,
cork10,
nock10,
rack10,
rock10,
ruck10,
kaon8,
karn8,
karo8,
knar8,
knur8,
koan8,
kora8,
koru8,
kuna8,
nark8,
nork8,
okra8,
raku8,
rank8,
rark8,
arco6,
carn6,
carr6,
corn6,
cour6,
cran6,
curn6,
curr6,
narc6,
orca6,
unco6,
nurr4,
orra4,
ourn4,
raun4,
roan4,
roar4,
urao4,
3 letter words:
ark7,
auk7,
koa7,
kon7,
kor7,
oak7,
oka7,
ouk7,
rok7,
arc5,
can5,
car5,
con5,
cor5,
cru5,
cur5,
oca5,
orc5,
roc5,
ruc5,
nor3,
nur3,
oar3,
ora3,
our3,
ran3,
run3,
urn3,
2 letter words:
ka6,
ko6,
an2,
ar2,
na2,
no2,
nu2,
on2,
or2,
ou2,
un2,
ur2,