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

ciliuma hairlike projection from the surface of a cell; provides locomotion in free-swimming unicellular organisms

musican artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner
iliuman ancient city in Asia Minor that was the site of the Trojan War
sulci(anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
culmsstem of plants of the Gramineae

suma quantity of money
sim
cumthe thick white fluid containing spermatozoa that is ejaculated by the male genital tract
mila Cypriot monetary unit equal to one thousandth of a pound
lum
lis
sicurge to attack someone
mis
mustype genus of the Muridae: common house mice; the tips of the upper incisors have a square notch
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

ishave the quality of being; (copula, used with an adjective or a predicate noun)
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
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
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

SILICIUM