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

exilea person who is voluntarily absent from home or country
exceldistinguish oneself
climethe weather in some location averaged over some long period of time
melic
cimextype genus of the Cimicidae: bedbugs
elemifragrant resin obtain from trees of the family Burseraceae and used as incense

milea unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters
miceany of numerous small rodents typically resembling diminutive rats having pointed snouts and small ears on elongated bodies with slender usually hairless tails
limea caustic substance produced by heating limestone
licewingless usually flattened bloodsucking insect parasitic on warm-blooded animals
execthe chief executive department of the United States government
ceil
ilexa large genus of dicotyledonous trees and shrubs of the family Aquifoliaceae that have small flowers and berries (including hollies)
emic

liea statement that deviates from or perverts the truth
icewater frozen in the solid state
leeUnited States filmmaker whose works explore the richness of black culture in America (born in 1957)
mixa commercially prepared mixture of dry ingredients
mel
lex
cee
mila Cypriot monetary unit equal to one thousandth of a pound
leiflower arrangement consisting of a circular band of foliage or flowers for ornamental purposes
eelthe fatty flesh of eel; an elongate fish found in fresh water in Europe and America; large eels are usually smoked or pickled
elmany of various trees of the genus Ulmus: important timber or shade trees
cel
eme

mea state in New England
ema quad with a square body
elangular distance above the horizon (especially of a celestial object)
exa man who was formerly a certain woman's husband
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
midestruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
xithe cardinal number that is the sum of ten and one

LEXEMIC