6 letter words:
carack14,
5 letter words:
craze16,
crack13,
crake11,
creak11,
caeca9,
areca7,
4 letter words:
zerk17,
czar15,
raze13,
cake10,
cark10,
rack10,
reck10,
arak8,
caca8,
ceca8,
rake8,
acre6,
care6,
race6,
area4,
3 letter words:
zek16,
ark7,
kae7,
kea7,
ace5,
arc5,
car5,
rec5,
are3,
ear3,
era3,
2 letter words:
za11,
ka6,
aa2,
ae2,
ar2,
er2,
re2,