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

therea location other than here; that place
threethe cardinal number that is the sum of one and one and one
etherthe fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies

herethe present location; this place
freepeople who are free
feetthe part of the leg of a human being below the ankle joint
treea tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
thee
reefa submerged ridge of rock or coral near the surface of the water
fretagitation resulting from active worry
fetean elaborate party (often outdoors)
heftthe property of being large in mass
fere
retea network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels
trefnot conforming to dietary laws
reftsteal goods; take as spoils

the
her
feea fixed charge for a privilege or for professional services
ere
teethe starting place for each hole on a golf course
ref(sports) the chief official (as in boxing or American football) who is expected to ensure fair play
fer
hetmade warm or hot (`het' is a dialectal variant of `heated')
ree
eth
feta transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field
efta newt in its terrestrial stage of development
feh
retplace (flax, hemp, or jute) in liquid so as to promote loosening of the fibers from the woody tissue

hea very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
eh
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
ef

HEFTER