“BATHMAT” is a valid word. — 14 points Scrabble

that
mattthe property of having little or no contrast; lacking highlights or gloss
batha vessel containing liquid in which something is immersed (as to process it or to maintain it at a constant temperature or to lubricate it)
matha science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
bahtthe basic unit of money in Thailand
amaha woman hired to suckle a child of someone else
batt
atma

aahexpress admiration and pleasure by uttering `ooh' or `aah'
hatheaddress that protects the head from bad weather; has shaped crown and usually a brim
batnocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
hammeat cut from the thigh of a hog (usually smoked)
aha
baman ancient city in southeastern Iran; destroyed by an earthquake in 2003
tabthe bill in a restaurant
mata thick flat pad used as a floor covering
bah
tama woolen cap of Scottish origin
tattastelessness by virtue of being cheap and vulgar
baathe cry made by sheep
ama
att
abaa loose sleeveless outer garment made from aba cloth; worn by Arabs

ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
ama radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
ah
mainformal terms for a mother
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
hma metric unit of length equal to 100 meters
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
baa soft silvery metallic element of the alkali earth group; found in barite
aaa dry form of lava resembling clinkers
aba bachelor's degree in arts and sciences

BATHMAT