“OUTACT” is a valid word. — 8 points Scrabble

coatan outer garment that has sleeves and covers the body from shoulder down; worn outdoors
autoa motor vehicle with four wheels; usually propelled by an internal combustion engine
taco(ethnic slur) offensive term for a person of Mexican descent
toutsomeone who buys tickets to an event in order to resell them at a profit
tactconsideration in dealing with others and avoiding giving offense
tautpulled or drawn tight

out(baseball) a failure by a batter or runner to reach a base safely in baseball
cuta share of the profits
acta legal document codifying the result of deliberations of a committee or society or legislative body
catfeline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats
taoan adherent of any branch of Taoism
tattastelessness by virtue of being cheap and vulgar
cota sheath worn to protect a finger
tututter `tsk,' `tut,' or `tut-tut,' as in disapproval
tauthe 19th letter of the Greek alphabet
tota small amount (especially of a drink)
oatannual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')
att
utaa reptile genus of Iguanidae
ocaSouth American wood sorrel cultivated for its edible tubers

to
ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
utthe local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

OUTACT