7 letter words:
hatrack16,
6 letter words:
chakra15,
charka15,
charta11,
5 letter words:
chark14,
kacha14,
thack14,
track11,
chara10,
chart10,
ratch10,
karat9,
arhat8,
ratha8,
carat7,
carta7,
4 letter words:
hack13,
haka11,
hark11,
khat11,
cark10,
rack10,
tack10,
arch9,
char9,
chat9,
rach9,
tach9,
arak8,
kara8,
kart8,
kata8,
taka8,
haar7,
hart7,
rath7,
taha7,
tahr7,
thar7,
acta6,
cart6,
raca6,
rata4,
tara4,
3 letter words:
ach8,
cha8,
aka7,
ark7,
kat7,
tak7,
aah6,
aha6,
hat6,
rah6,
act5,
arc5,
caa5,
car5,
cat5,
art3,
rat3,
tar3,
2 letter words:
ch7,
ka6,
ah5,
ha5,
aa2,
ar2,
at2,
ta2,