“MACHE” is a valid word. — 12 points Scrabble

camemove toward, travel toward something or somebody or approach something or somebody
each(used of count nouns) every one considered individually
ahemthe utterance of a sound similar to clearing the throat; intended to get attention, express hesitancy, fill a pause, hide embarrassment, warn a friend, etc.
achea dull persistent (usually moderately intense) pain
mace(trademark) a liquid that temporarily disables a person; prepared as an aerosol and sprayed in the face, it irritates the eyes and causes dizziness and immobilization
machAustrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916)
acmethe highest level or degree attainable; the highest stage of development
cham
hamestable gear consisting of either of two curved supports that are attached to the collar of a draft horse and that hold the traces
haema complex red organic pigment containing iron and other atoms to which oxygen binds

maca waterproof raincoat made of rubberized fabric
acethe smallest whole number or a numeral representing this number
hammeat cut from the thigh of a hog (usually smoked)
cama river in east central England that flows past Cambridge to join the Ouse River
mae
hae
hemthe edge of a piece of cloth; especially the finished edge that has been doubled under and stitched down

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)
ama radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
ah
ema quad with a square body
mainformal terms for a mother
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
eh
hma metric unit of length equal to 100 meters
ae

MACHE