“HADST” is a valid word. — 9 points Scrabble

hatsheaddress that protects the head from bad weather; has shaped crown and usually a brim
dashdistinctive and stylish elegance
hast
shatgive away information about somebody
shadbony flesh of herring-like fish usually caught during their migration to fresh water for spawning; especially of Atlantic coast
tadsa slight amount or degree of difference
dahsthe longer of the two telegraphic signals used in Morse code

hadhave or possess, either in a concrete or an abstract sense
hashave or possess, either in a concrete or an abstract sense
sadexperiencing or showing sorrow or unhappiness
hatheaddress that protects the head from bad weather; has shaped crown and usually a brim
satthe seventh and last day of the week; observed as the Sabbath by Jews and some Christians
ashthe residue that remains when something is burned
ads
tada slight amount or degree of difference
sha
dahthe longer of the two telegraphic signals used in Morse code
tas

ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
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
ah
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
ada public promotion of some product or service
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
sh

HADST