8 letter words:
aftertax18,
6 letter words:
fatter9,
5 letter words:
extra12,
retax12,
taxer12,
after8,
attar5,
reata5,
tatar5,
tater5,
tetra5,
treat5,
4 letter words:
taxa11,
text11,
afar7,
fare7,
fart7,
fate7,
fear7,
feat7,
feta7,
frae7,
frat7,
fret7,
raft7,
reft7,
tref7,
area4,
rate4,
tare4,
tart4,
tate4,
tear4,
teat4,
tret4,
3 letter words:
fax13,
axe10,
rax10,
rex10,
tax10,
aft6,
arf6,
eft6,
far6,
fat6,
fer6,
fet6,
ref6,
are3,
art3,
ate3,
att3,
ear3,
eat3,
era3,
eta3,
rat3,
ret3,
tae3,
tar3,
tat3,
tea3,
tet3,
2 letter words:
ax9,
ex9,
ef5,
fa5,
fe5,
aa2,
ae2,
ar2,
at2,
er2,
et2,
re2,
ta2,
