Similar-sounding words in the dictionary:
4 letters:
flab,
flad,
flag,
flam,
flan,
flap,
flat,
flax,
floc,
lack,
flak 5 letters:
black,
clack,
flach,
flagg,
flake,
flamm,
flank,
flann,
flash,
flask,
flath,
flatt,
fleck,
fleek,
flick,
flock,
flook,
fluck,
fluke,
plack,
slack 