“SIMIOUS” is a valid word. — 9 points Scrabble

miosis(genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)

sumosa Japanese form of wrestling; you lose if you are forced out of a small ring or if any part of your body (other than your feet) touches the ground
misosa thick paste made from fermented soybeans and barley or rice malt; used in Japanese cooking to make soups or sauces

missa young woman
mosstiny leafy-stemmed flowerless plants
sumsa quantity of money
sumoa Japanese form of wrestling; you lose if you are forced out of a small ring or if any part of your body (other than your feet) touches the ground
sims
sousa former French coin of low denomination; often used of any small amount of money
misoa thick paste made from fermented soybeans and barley or rice malt; used in Japanese cooking to make soups or sauces
mussa state of confusion and disorderliness
ismsa belief (or system of beliefs) accepted as authoritative by some group or school

sisa female person who has the same parents as another person
suma quantity of money
sim
sosan internationally recognized distress signal in radio code
soua former French coin of low denomination; often used of any small amount of money
mis
mos
mustype genus of the Muridae: common house mice; the tips of the upper incisors have a square notch
isma belief (or system of beliefs) accepted as authoritative by some group or school
oms

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
usNorth American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
um
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
muthe 12th letter of the Greek alphabet
om
osa mouth or mouthlike opening

SIMIOUS