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

lumena unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions

menua list of dishes available at a restaurant
mulehybrid offspring of a male donkey and a female horse; usually sterile
helmsteering mechanism for a vessel; a mechanical device by which a vessel is steered
lune
neum

menthe force of workers available
mel
henadult female chicken
humthe state of being or appearing to be actively engaged in an activity
huna member of a nomadic people who invaded Europe in the 4th century
elmany of various trees of the genus Ulmus: important timber or shade trees
hemthe edge of a piece of cloth; especially the finished edge that has been doubled under and stitched down
mun
huethe quality of a color as determined by its dominant wavelength
lum
emuany of various systems of units for measuring electricity and magnetism
leuthe basic unit of money in Moldova

mea state in New England
hea very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
uh
um
ema quad with a square body
eh
hma metric unit of length equal to 100 meters
elangular distance above the horizon (especially of a celestial object)
enhalf the width of an em
unan organization of independent states formed in 1945 to promote international peace and security
nea colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
muthe 12th letter of the Greek alphabet
nuthe 13th letter of the Greek alphabet

UNHELM