“TRIAC” is a valid word. — 7 points Scrabble

cara motor vehicle with four wheels; usually propelled by an internal combustion engine
aira mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
acta legal document codifying the result of deliberations of a committee or society or legislative body
artthe products of human creativity; works of art collectively
catfeline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats
ratany of various long-tailed rodents similar to but larger than a mouse
arcelectrical conduction through a gas in an applied electric field
tarany of various dark heavy viscid substances obtained as a residue
tica local and habitual twitching especially in the face
ria
ait

itthe branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
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
aian agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
tia light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite

TRIAC