“DREST” is a valid word. — 6 points Scrabble

restsomething left after other parts have been taken away
redsred color or pigment; the chromatic color resembling the hue of blood
tedsa tough youth of 1950's and 1960's wearing Edwardian style clothes
erstat a previous time
retsplace (flax, hemp, or jute) in liquid so as to promote loosening of the fibers from the woody tissue

seta group of things of the same kind that belong together and are so used
redred color or pigment; the chromatic color resembling the hue of blood
teda tough youth of 1950's and 1960's wearing Edwardian style clothes
ser
resa widely distributed system consisting of all the cells able to ingest bacteria or colloidal particles etc, except for certain white blood cells
ers
retplace (flax, hemp, or jute) in liquid so as to promote loosening of the fibers from the woody tissue

era trivalent metallic element of the rare earth group; occurs with yttrium
dea Mid-Atlantic state; one of the original 13 colonies
edimpotence resulting from a man's inability to have or maintain an erection of his penis
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
et
esa radioactive transuranic element produced by bombarding plutonium with neutrons

DREST