“FUCOSE” is a valid word. — 11 points Scrabble

fusean electrical device that can interrupt the flow of electrical current when it is overloaded
foesan armed adversary (especially a member of an opposing military force)
cuesan actor's line that immediately precedes and serves as a reminder for some action or speech
ecus
feus

usethe act of using
cosratio of the adjacent side to the hypotenuse of a right-angled triangle
sueFrench writer whose novels described the sordid side of city life (1804-1857)
sec1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
cuean actor's line that immediately precedes and serves as a reminder for some action or speech
foean armed adversary (especially a member of an opposing military force)
soua former French coin of low denomination; often used of any small amount of money
fou
feu
ose
ecu
oes
efs

of
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
esa radioactive transuranic element produced by bombarding plutonium with neutrons
osa mouth or mouthlike opening
oe
ef

FUCOSE