Jacks
Macs
Max
Sachs
Saxe
antitax
attacks
attracts
ax
axe
backs
blacks
compacts
contracts
cracks
detracts
distracts
enacts
exacts
extracts
facts
fax
flax
hacks
impacts
interacts
jacks
knacks
knick-knacks
lacks
lax
macks
macs
max
overreacts
packs
pacts
pax
plaques
pretax
quacks
racks
rax
reacts
reenacts
relax
retracts
sacks
sacs
sax