“CELLAE” is a valid word. — 8 points Scrabble

calla telephone connection
cellany small compartment
alec
lacea cord that is drawn through eyelets or around hooks in order to draw together two edges (as of a shoe or garment)
lealfaithful and true
aleeon or toward the lee

allquantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class
leeUnited States filmmaker whose works explore the richness of black culture in America (born in 1957)
acethe smallest whole number or a numeral representing this number
alea general name for beer made with a top fermenting yeast; in some of the United States an ale is (by law) a brew of more than 4% alcohol by volume
cee
leaa unit of length of thread or yarn
eelthe fatty flesh of eel; an elongate fish found in fresh water in Europe and America; large eels are usually smoked or pickled
ellan extension at the end and at right angles to the main building
lacresinlike substance secreted by certain lac insects; used in e.g. varnishes and sealing wax
cel

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
elangular distance above the horizon (especially of a celestial object)
ae

CELLAE