7 letter words:
carjack22,
6 letter words:
carack14,
5 letter words:
wrack14,
crack13,
4 letter words:
jack17,
czar15,
wack13,
ajar11,
raja11,
wark11,
cark10,
rack10,
craw9,
arak8,
caca8,
3 letter words:
jaw13,
jar10,
raj10,
caw8,
ark7,
awa6,
raw6,
war6,
arc5,
car5,
2 letter words:
za11,
ka6,
aw5,
aa2,
ar2,