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

flata level tract of land
tufaa soft porous rock consisting of calcium carbonate deposited from springs rich in lime
ulvatype genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce
vatu

fata soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides)
fluan acute febrile highly contagious viral disease
aft(nautical, aeronautical) situated at or toward the stern or tail
vata tax levied on the difference between a commodity's price before taxes and its cost of production
tauthe 19th letter of the Greek alphabet
luv
lata broad flat muscle on either side of the back
altangular distance above the horizon (especially of a celestial object)
utaa reptile genus of Iguanidae
lava room or building equipped with one or more toilets
vau
tav

ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
laa white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
ala silvery ductile metallic element found primarily in bauxite
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
fathe syllable naming the fourth (subdominant) note of the diatonic scale in solmization
utthe local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

VATFUL