“PALLIAL” is a valid word. — 9 points Scrabble

palliathe layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum

allquantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class
pala close friend who accompanies his buddies in their activities
illan often persistent bodily disorder or disease; a cause for complaining
lapthe upper side of the thighs of a seated person
lipeither of two fleshy folds of tissue that surround the mouth and play a role in speaking
piaperennial herb of East Indies to Polynesia and Australia; cultivated for its large edible root yielding Otaheite arrowroot starch
alaa flat wing-shaped process or winglike part of an organism
ailaromatic bulb used as seasoning
alpany high mountain
aal

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
paan informal term for a father; probably derived from baby talk
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
aian agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
pithe ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
aaa dry form of lava resembling clinkers

PALLIAL