“CANST” is a valid word. — 7 points Scrabble

castthe actors in a play
catsfeline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats
actsa New Testament book describing the development of the early church from Christ's Ascension to Paul's sojourn at Rome
scanthe act of scanning; systematic examination of a prescribed region
cansairtight sealed metal container for food or drink or paint etc.
antssocial insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers
cantstock phrases that have become nonsense through endless repetition
scatsinging jazz; the singer substitutes nonsense syllables for the words of the song and tries to sound like a musical instrument
tansa browning of the skin resulting from exposure to the rays of the sun

canairtight sealed metal container for food or drink or paint etc.
acta legal document codifying the result of deliberations of a committee or society or legislative body
catfeline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats
satthe seventh and last day of the week; observed as the Sabbath by Jews and some Christians
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
sacan enclosed space
tas

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

CANST