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

dashdistinctive and stylish elegance
masha mixture of mashed malt grains and hot water; used in brewing
shamsomething that is a counterfeit; not what it seems to be
mads
damsa barrier constructed to contain the flow of water or to keep out the sea
hamsmeat cut from the thigh of a hog (usually smoked)
shadbony flesh of herring-like fish usually caught during their migration to fresh water for spawning; especially of Atlantic coast
amaha woman hired to suckle a child of someone else
amas
aahsexpress admiration and pleasure by uttering `ooh' or `aah'
dahsthe longer of the two telegraphic signals used in Morse code

asa very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
ama radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
ah
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
hma metric unit of length equal to 100 meters
ada public promotion of some product or service
sh
aaa dry form of lava resembling clinkers

HAMADAS