7 letter words:
oarlock13,
6 letter words:
zocalo17,
5 letter words:
kazoo18,
colza16,
cloak11,
croak11,
crook11,
karoo9,
carol7,
claro7,
color7,
coral7,
4 letter words:
czar15,
orzo13,
calk10,
cark10,
cook10,
cork10,
lack10,
lock10,
rack10,
rock10,
kola8,
kolo8,
kora8,
lark8,
look8,
okra8,
rook8,
arco6,
calo6,
carl6,
coal6,
cola6,
cool6,
loca6,
loco6,
orca6,
oral4,
3 letter words:
coz14,
azo12,
zoa12,
zoo12,
ark7,
koa7,
kor7,
oak7,
oka7,
arc5,
car5,
col5,
coo5,
cor5,
lac5,
oca5,
orc5,
roc5,
lar3,
loo3,
oar3,
ora3,
2 letter words:
za11,
ka6,
al2,
ar2,
la2,
lo2,
or2,