“TIBIAL” is a valid word. — 8 points Scrabble

alibi(law) a defense by an accused person purporting to show that he or she could not have committed the crime in question
tibiathe inner and thicker of the two bones of the human leg between the knee and ankle
biali
litaithe humanistic study of a body of literature

tailthe posterior part of the body of a vertebrate especially when elongated and extending beyond the trunk or main part of the body
bail(criminal law) money that must be forfeited by the bondsman if an accused person fails to appear in court for trial
baitanything that serves as an enticement
talia sloping mass of loose rocks at the base of a cliff
iliaan ancient city in Asia Minor that was the site of the Trojan War
blatcry plaintively
alit
latia broad flat muscle on either side of the back

bita small piece or quantity of something
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
litthe humanistic study of a body of literature
til
tabthe bill in a restaurant
lib
lata broad flat muscle on either side of the back
altangular distance above the horizon (especially of a celestial object)
bal
ailaromatic bulb used as seasoning
ait
alba white linen liturgical vestment with sleeves; worn by priests

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
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
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
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
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
bia heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
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
aba bachelor's degree in arts and sciences

TIBIAL