dioxin - a potent chemical that causes cancer
Donuts.
drover
dress dungarees (another word for blue jeans) derby hat
Candid?
raging, riotous, rough, ruinous.. :D
diggers
Doping is a word beginning with D meaning taking drugs to increase performance.
DORAG
dander
daybreak
* demise
duchess dame
This is not a "D" word but the best word in the whole of scrabble is "Mastery".
Another word for translucent is diaphanous.
Another word for service can be duty.
ditto. door. drain.
akjkiod