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

ablauta vowel whose quality or length is changed to indicate linguistic distinctions (such as sing sang sung song)

tubalof or relating to occurring in a tube such as e.g. the Fallopian tube or Eustachian tube
tabla
battu

buttthick end of the handle
alba
tubathe lowest brass wind instrument
baalany of numerous local fertility and nature deities worshipped by ancient Semitic peoples; the Hebrews considered Baal a false god
tautpulled or drawn tight
abutlie adjacent to another or share a boundary
talathe basic unit of money in Western Samoa
tabua prejudice (especially in Polynesia and other South Pacific islands) that prohibits the use or mention of something because of its sacred nature
batt
blatcry plaintively

butand nothing more
laba workplace for the conduct of scientific research
batnocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
tuba relatively large open container that you fill with water and use to wash the body
tabthe bill in a restaurant
tattastelessness by virtue of being cheap and vulgar
tututter `tsk,' `tut,' or `tut-tut,' as in disapproval
tauthe 19th letter of the Greek alphabet
baathe cry made by sheep
alaa flat wing-shaped process or winglike part of an organism
lata broad flat muscle on either side of the back
att
altangular distance above the horizon (especially of a celestial object)
utaa reptile genus of Iguanidae
bal
abaa loose sleeveless outer garment made from aba cloth; worn by Arabs
aal
alba white linen liturgical vestment with sleeves; worn by priests

ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
laa white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
ala silvery ductile metallic element found primarily in bauxite
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
utthe local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

ABUTTAL