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

allowmake it possible through a specific action or lack of action for something to happen
walla
loral

wallan architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure
rollrotary motion of an object around its own axis
woola fabric made from the hair of sheep
oralan examination conducted by spoken communication
awolone who is away or absent without leave
ollaleaf or strip from a leaf of the talipot palm used in India for writing paper
alara chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time
alow

allquantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class
warthe waging of armed conflict against an enemy
lawthe collection of rules imposed by authority
lowan air mass of lower pressure; often brings precipitation
rowan arrangement of objects or people side by side in a line
wooseek someone's favor
rawinformal terms for nakedness
owlnocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes
looa toilet in Britain
oaran implement used to propel or steer a boat
oraa mouth or mouthlike opening
lar
alaa flat wing-shaped process or winglike part of an organism
awa
awla pointed tool for marking surfaces or for punching small holes
aal

ora state in northwestern United States on the Pacific
laa white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
ow
aw
ala silvery ductile metallic element found primarily in bauxite
lo
wo
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
aaa dry form of lava resembling clinkers

WALLAROO