“TIFFED” is a valid word. — 13 points Scrabble

tiedbound or secured closely
dieta prescribed selection of foods
tidethe periodic rise and fall of the sea level under the gravitational pull of the moon
editprepare for publication or presentation by correcting, revising, or adapting
tiffa quarrel about petty points
fifea small high-pitched flute similar to a piccolo; has a shrill tone and is used chiefly to accompany drums in a marching band
fiefa piece of land held under the feudal system
deftskillful in physical movements; especially of the hands
defi
dite
teffan African grass economically important as a cereal grass (yielding white flour of good quality) as well as for forage and hay

diea small cube with 1 to 6 spots on the six faces; used in gambling to generate random numbers
fita display of bad temper
tieneckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front
teda tough youth of 1950's and 1960's wearing Edwardian style clothes
fedany federal law-enforcement officer
fie
effhave sexual intercourse with
ditthe shorter of the two telegraphic signals used in Morse code
feta transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field
iff
efta newt in its terrestrial stage of development
fid

itthe branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
if
dea Mid-Atlantic state; one of the original 13 colonies
edimpotence resulting from a man's inability to have or maintain an erection of his penis
ida state in the Rocky Mountains
et
tia light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
ef

TIFFED