9 letter words:
heartache17,
8 letter words:
tracheae13,
7 letter words:
cheetah15,
hatcher15,
heather13,
chaetae12,
cheater12,
earache12,
hectare12,
recheat12,
reteach12,
teacher12,
trachea12,
hetaera10,
acerate9,
6 letter words:
chetah14,
hearth12,
chaeta11,
etcher11,
rachet11,
thecae11,
aether9,
heater9,
hereat9,
reheat9,
carate8,
cerate8,
create8,
ecarte8,
aerate6,
5 letter words:
cheth13,
hatch13,
heath11,
chare10,
chart10,
cheat10,
cheer10,
chert10,
ratch10,
reach10,
retch10,
tache10,
teach10,
theca10,
arhat8,
earth8,
ether8,
hater8,
heart8,
rathe8,
there8,
three8,
aceta7,
areca7,
carat7,
caret7,
carte7,
cater7,
crate7,
erect7,
react7,
recta7,
terce7,
trace7,
areae5,
arete5,
eater5,
reata5,
4 letter words:
haha10,
hath10,
heth10,
ache9,
arch9,
char9,
chat9,
each9,
eche9,
echt9,
etch9,
tach9,
tech9,
eath7,
haar7,
haet7,
hare7,
hart7,
hate7,
hear7,
heat7,
here7,
rath7,
rhea7,
tahr7,
thae7,
thee7,
acre6,
acta6,
care6,
cart6,
cate6,
cere6,
cete6,
race6,
tace6,
area4,
rate4,
rete4,
tare4,
tear4,
tree4,
3 letter words:
hah9,
heh9,
aah6,
aha6,
eth6,
hae6,
hat6,
her6,
het6,
rah6,
the6,
ace5,
act5,
arc5,
car5,
cat5,
cee5,
rec5,
are3,
art3,
ate3,
ear3,
eat3,
era3,
ere3,
eta3,
rat3,
ree3,
ret3,
tae3,
tar3,
tea3,
tee3,
2 letter words:
ah5,
eh5,
ha5,
he5,
aa2,
ae2,
ar2,
at2,
er2,
et2,
re2,
ta2,