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

dirtthe part of the earth's surface consisting of humus and disintegrated rock
raida sudden short attack
darta small narrow pointed missile that is thrown or shot
drat
aridlacking sufficient water or rainfall
ditaevergreen tree of eastern Asia and Philippines having large leathery leaves and small green-white flowers in compact cymes; bark formerly used medicinally
tradtraditional jazz as revived in the 1950s
adita nearly horizontal passage from the surface into a mine
airtchannel into a new direction

aira mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
artthe products of human creativity; works of art collectively
ridrelieve from
ratany of various long-tailed rodents similar to but larger than a mouse
aida resource
tada slight amount or degree of difference
tarany of various dark heavy viscid substances obtained as a residue
rada unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
ria
ditthe shorter of the two telegraphic signals used in Morse code
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
ida state in the Rocky Mountains
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
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

RITARD