“CASSATAS” is a valid word. — 10 points Scrabble

caststhe actors in a play
casas
scatssinging jazz; the singer substitutes nonsense syllables for the words of the song and tries to sound like a musical instrument

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
casa
scatsinging jazz; the singer substitutes nonsense syllables for the words of the song and tries to sound like a musical instrument
sassan impudent or insolent rejoinder
sacsan enclosed space
tass
acta

assthe fleshy part of the human body that you sit on
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
sacan enclosed space
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
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

CASSATAS