“ANTAS” is a valid word. — 5 points Scrabble

antssocial insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers
tansa browning of the skin resulting from exposure to the rays of the sun
anastype genus of the Anatidae: freshwater ducks
ansa
anta

satthe seventh and last day of the week; observed as the Sabbath by Jews and some Christians
anamother of the ancient Irish gods; sometimes identified with Danu
tana browning of the skin resulting from exposure to the rays of the sun
antsocial insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers
tas
aasan associate degree in applied science

ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
asa very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
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)
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
aaa dry form of lava resembling clinkers

ANTAS