Adak
Braque
Chirac
Jack
Jacques
Lak
Mac
Mack
Macke
Sac
Zack
Zak
aback
ack
attack
back
brack
clack
crack
dak
fac
flack
flak
hack
haque
jack
knack
knick-knack
lac
lack
lak
mac
mack
mak
nack
pac
pack
pak
plack
plaque
quack
rack
repack
sac
sack
sak
shack
slack
smack
snack