“DATABANK” is a valid word. — 15 points Scrabble

tankaa form of Japanese poetry; the 1st and 3rd lines have five syllables and the 2nd, 4th, and 5th have seven syllables
abaka

banksloping land (especially the slope beside a body of water)
bandan unofficial association of people or groups
dataa collection of facts from which conclusions may be drawn
tankan enclosed armored military vehicle; has a cannon and moves on caterpillar treads
nadaa quantity of no importance
kana
dankunpleasantly cool and humid
takathe basic unit of money in Bangladesh; equal to 100 paisa
kata
anta

and
badthat which is below standard or expectations as of ethics or decency
batnocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
anamother of the ancient Irish gods; sometimes identified with Danu
tana browning of the skin resulting from exposure to the rays of the sun
katthe leaves of the shrub Catha edulis which are chewed like tobacco or used to make tea; has the effect of a euphoric stimulant
antsocial insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers
tabthe bill in a restaurant
bana decree that prohibits something
tada slight amount or degree of difference
nabtag the base runner to get him out
baathe cry made by sheep
daba light touch or stroke
abaa loose sleeveless outer garment made from aba cloth; worn by Arabs
kab
dakEast Indian tree bearing a profusion of intense vermilion velvet-textured blooms and yielding a yellow dye

ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
anan associate degree in nursing
naa silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
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
baa soft silvery metallic element of the alkali earth group; found in barite
kaunknown god; an epithet of Prajapati and Brahma
aaa dry form of lava resembling clinkers
aba bachelor's degree in arts and sciences

DATABANK