“MAREMMA” is a valid word. — 13 points Scrabble

areaa particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
mamainformal terms for a mother
marefemale equine animal
reama large quantity of written matter
maara flat-bottomed volcanic crater that was formed by an explosion; often filled with water

area unit of surface area equal to 100 square meters
arma human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb
earthe sense organ for hearing and equilibrium
ramthe most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
eraa period marked by distinctive character or reckoned from a fixed point or event
mae
marthe month following February and preceding April
rema recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
ama
memthe 13th letter of the Hebrew alphabet

mea state in New England
ama radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
ema quad with a square body
mainformal terms for a mother
mma metric unit of length equal to one thousandth of a meter
era trivalent metallic element of the rare earth group; occurs with yttrium
rea rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
ae
aaa dry form of lava resembling clinkers

MAREMMA