9 letter words:
cataracts13,
8 letter words:
cataract12,
7 letter words:
cascara11,
6 letter words:
carats8,
tracts8,
attars6,
satara6,
strata6,
tatars6,
5 letter words:
cacas9,
carat7,
carts7,
sacra7,
scart7,
scatt7,
tacts7,
tract7,
attar5,
start5,
tarts5,
tatar5,
4 letter words:
caca8,
acta6,
acts6,
arcs6,
cars6,
cart6,
casa6,
cast6,
cats6,
scar6,
scat6,
tact6,
arts4,
rats4,
star4,
stat4,
tars4,
tart4,
tats4,
tsar4,
3 letter words:
act5,
arc5,
car5,
cat5,
sac5,
aas3,
ars3,
art3,
att3,
ras3,
rat3,
sat3,
tar3,
tas3,
tat3,
2 letter words:
aa2,
ar2,
as2,
at2,
ta2,
