“ZILLAH” is a valid word. — 18 points Scrabble

hallan interior passage or corridor onto which rooms open
hilla local and well-defined elevation of the land
hailprecipitation of ice pellets when there are strong rising air currents
hila(anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ
zillone of a pair of small metallic cymbals worn on the thumb and middle finger; used in belly dancing in rhythm with the dance

allquantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class
illan often persistent bodily disorder or disease; a cause for complaining
ailaromatic bulb used as seasoning

hian expression of greeting
ah
ha(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day
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
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
za

ZILLAH