“SIGLOS” is a valid word. — 7 points Scrabble

losssomething that is lost
soilthe state of being covered with unclean things
logsa segment of the trunk of a tree when stripped of branches
oilsa slippery or viscous liquid or liquefiable substance not miscible with water
siloa cylindrical tower used for storing silage
slogwork doggedly or persistently
solsa colloid that has a continuous liquid phase in which a solid is suspended in a liquid
soliany activity that is performed alone without assistance

oila slippery or viscous liquid or liquefiable substance not miscible with water
loga segment of the trunk of a tree when stripped of branches
sisa female person who has the same parents as another person
sola colloid that has a continuous liquid phase in which a solid is suspended in a liquid
sosan internationally recognized distress signal in radio code
lis

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
goa time for working (after which you will be relieved by someone else)
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
lo
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
osa mouth or mouthlike opening

SIGLOS