“SCHIZOS” is a valid word. — 21 points Scrabble

hissa fricative sound (especially as an expression of disapproval)
chisthe circulating life energy that in Chinese philosophy is thought to be inherent in all things; in traditional Chinese medicine the balance of negative and positive forms in the body is believed to be essential for good health
cosha piece of metal covered by leather with a flexible handle; used for hitting people
sicsurge to attack someone
coss(in India) a unit of length having different values in different localities
zoicpertaining to animals or animal life or action
ichs

his
cosratio of the adjacent side to the hypotenuse of a right-angled triangle
sisa female person who has the same parents as another person
chithe circulating life energy that in Chinese philosophy is thought to be inherent in all things; in traditional Chinese medicine the balance of negative and positive forms in the body is believed to be essential for good health
coz
ich
sosan internationally recognized distress signal in radio code
sicurge to attack someone
hic
cisan alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991
ohs

ishave the quality of being; (copula, used with an adjective or a predicate noun)
sothe syllable naming the fifth (dominant) note of any musical scale in solmization
oha midwestern state in north central United States in the Great Lakes region
hian expression of greeting
hoa trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
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
sh
osa mouth or mouthlike opening

SCHIZOS