“TRISMIC” is a valid word. — 11 points Scrabble

irisplants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
stira prominent or sensational but short-lived news event
mista thin fog with condensation near the ground
trima state of arrangement or appearance
cris
rimsthe shape of a raised edge of a more or less circular object
mirilittle known Kamarupan languages
ticsa local and habitual twitching especially in the face
smitinflict a heavy blow on, with the hand, a tool, or a weapon
mirs
cist

sirterm of address for a man
sitbe seated
its
tis
sim
rimthe shape of a raised edge of a more or less circular object
sri
tica local and habitual twitching especially in the face
mir
sicurge to attack someone
mis
cisan alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991
isma belief (or system of beliefs) accepted as authoritative by some group or school

itthe branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
ishave the quality of being; (copula, used with an adjective or a predicate noun)
midestruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
sia tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
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

TRISMIC