“GARTH” is a valid word. — 9 points Scrabble

hartUnited States playwright who collaborated with George S. Kaufman (1904-1961)
rath
grat
ghatstairway in India leading down to a landing on the water
tahr

artthe products of human creativity; works of art collectively
hatheaddress that protects the head from bad weather; has shaped crown and usually a brim
ratany of various long-tailed rodents similar to but larger than a mouse
taga label written or printed on paper, cardboard, or plastic that is attached to something to indicate its owner, nature, price, etc.
raga small piece of cloth or paper
hagan ugly evil-looking old woman
tarany of various dark heavy viscid substances obtained as a residue
rah
garprimitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth
gata gangster's pistol

ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
ah
ha(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day
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
aga soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography

GARTH