“TRUFFE” is a valid word. — 12 points Scrabble

trueproper alignment; the property possessed by something that is in correct or proper alignment
turfsurface layer of ground containing a mat of grass and grass roots
fretagitation resulting from active worry
ruffan external body part consisting of feathers or hair about the neck of a bird or other animal
tuffhard volcanic rock composed of compacted volcanic ash
teffan African grass economically important as a cereal grass (yielding white flour of good quality) as well as for forage and hay
trefnot conforming to dietary laws
reftsteal goods; take as spoils

furthe dressed hairy coat of a mammal
rueEuropean strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy
ruta groove or furrow (especially one in soft earth caused by wheels)
ref(sports) the chief official (as in boxing or American football) who is expected to ensure fair play
fer
effhave sexual intercourse with
feta transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field
feu
efta newt in its terrestrial stage of development
retplace (flax, hemp, or jute) in liquid so as to promote loosening of the fibers from the woody tissue

era trivalent metallic element of the rare earth group; occurs with yttrium
rea rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
et
utthe local time at the 0 meridian passing through Greenwich, England; it is the same everywhere
ef

TRUFFE