KEY: Prevention.
SYN: Obstruction, stoppage, interruption, hinderance.
ANT: Help, aid, succor, acceleration.

• Drew
• Driblet
• Drift
• drift
• Drill
• Drink
• Drip
• Drivel
• Driveller
• Drive, [See DRAW]
• Droll
• Drollery
• Droll
• Drone, [See BRAWL]
• Droop
• Drop
• Dross, [See CREAM]
• Drought
• Drowsy
• Drudge \v
• Drug, [See CIPHER]
• Dry
• Dry_\v
• Dubious, [See EQUIVOCAL]
• Ductile