“ALLOXAN” is a valid word. — 14 points Scrabble

llanoan extensive grassy and nearly treeless plain (especially in Latin America)

alan
loanthe temporary provision of money (usually at interest)
analof or related to the anus
ollaleaf or strip from a leaf of the talipot palm used in India for writing paper
axonlong nerve fiber that conducts away from the cell body of the neuron
anoasmall buffalo of the Celebes having small straight horns
axal

allquantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class
anamother of the ancient Irish gods; sometimes identified with Danu
laxlacking in rigor or strictness
alaa flat wing-shaped process or winglike part of an organism
loxa bluish translucent magnetic liquid obtained by compressing gaseous oxygen and then cooling it below its boiling point; used as an oxidizer in rocket propellants
aal

onin operation or operational
noa negative
anan associate degree in nursing
laa white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
ala silvery ductile metallic element found primarily in bauxite
naa silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
lo
oxan adult castrated bull of the genus Bos; especially Bos taurus
axan edge tool with a heavy bladed head mounted across a handle
aaa dry form of lava resembling clinkers

ALLOXAN