“SKIMOS” is a valid word. — 12 points Scrabble

skimsa thin layer covering the surface of a liquid
misosa thick paste made from fermented soybeans and barley or rice malt; used in Japanese cooking to make soups or sauces
skimo
mosks

missa young woman
kissthe act of caressing with the lips (or an instance thereof)
mosstiny leafy-stemmed flowerless plants
skisnarrow wood or metal or plastic runners used in pairs for gliding over snow
sims
skima thin layer covering the surface of a liquid
misoa thick paste made from fermented soybeans and barley or rice malt; used in Japanese cooking to make soups or sauces
koss(in India) a unit of length having different values in different localities
ismsa belief (or system of beliefs) accepted as authoritative by some group or school
mosk

sisa female person who has the same parents as another person
skinarrow wood or metal or plastic runners used in pairs for gliding over snow
sim
sosan internationally recognized distress signal in radio code
koi
mis
mos
isma belief (or system of beliefs) accepted as authoritative by some group or school
kos(in India) a unit of length having different values in different localities
oms
oks

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
ok
moan indefinitely short time
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
om
osa mouth or mouthlike opening

SKIMOS