“QUADRAT” is a valid word. — 17 points Scrabble

quarta United States liquid unit equal to 32 fluid ounces; four quarts equal one gallon

dataa collection of facts from which conclusions may be drawn
darta small narrow pointed missile that is thrown or shot
turdobscene terms for feces
auraa sensation (as of a cold breeze or bright light) that precedes the onset of certain disorders such as a migraine attack or epileptic seizure
quadone of four children born at the same time from the same pregnancy
aquaa shade of blue tinged with green
drat
durathe outermost (and toughest) of the 3 meninges
tradtraditional jazz as revived in the 1950s
daut

artthe products of human creativity; works of art collectively
ratany of various long-tailed rodents similar to but larger than a mouse
tada slight amount or degree of difference
tarany of various dark heavy viscid substances obtained as a residue
ruta groove or furrow (especially one in soft earth caused by wheels)
rada unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
tauthe 19th letter of the Greek alphabet
utaa reptile genus of Iguanidae
qua
urdgoddess of fate: a giantess who personified the past
qatthe leaves of the shrub Catha edulis which are chewed like tobacco or used to make tea; has the effect of a euphoric stimulant

ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
ada public promotion of some product or service
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
aaa dry form of lava resembling clinkers
utthe local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

QUADRAT