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

addedmake an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
daredtake upon oneself; act presumptuously, without permission
dreadfearful expectation or anticipation
addera person who adds numbers
readd

area unit of surface area equal to 100 square meters
dadan informal term for a father; probably derived from baby talk
redred color or pigment; the chromatic color resembling the hue of blood
adda condition (mostly in boys) characterized by behavioral and learning disorders
earthe sense organ for hearing and equilibrium
eraa period marked by distinctive character or reckoned from a fixed point or event
rada unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material

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
ada public promotion of some product or service
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
ae

RADDED