Letter: d
- dynamic, activating, active, acute, adventuresome, adventurous, aggressive, alive, ambitious, animated, authoritative, brisk, cogent, driving, eager, effective

- dynamically, effectively, energetically, forcefully, hard, mightily, powerfully, vigorously, with a vengeance

- dynamics, activity, actuation, aerodynamics, fluid dynamics, going, hydrodynamics, kinematics, kinetics, magnetohydrodynamics, mobilization, motion, motivation, move, movement, moving

- dynamism, adventurousness, aggression, aggressiveness, ambitiousness, demonic energy, drive, energy, enterprise, force, forcefulness, get-up-and-get, get-up-and-go, getup, go, go-ahead

- dynamite, annihilate, cellulose nitrate, cordite, decimate, demolish, dismantle, dissolve, explosive, nitroglycerin, powder, raze, ruin, shatter

- dynamiter, annihilator, arsonist, bomber, burner, demolisher, destroyer, exterminator, iconoclast, idol breaker, nihilist, syndicalist, terrorist, vandal, wrecker

- dynamo, centre, device, engine, generator, hustler, live wire, parts, peeler, relay

- dynastic, imperial, imperious, kingly, majestic, monarchical, princely, purple, queenly, regal, royal, sovereign

- dynasty, aftermath, clan, conclusion, consequence, descendant, effect, family, heir, house, line, lineage, offspring, posterity, sequel, stock

- dyne, calorie, carat, dram, dram avoirdupois, erg, foot-pound, force, grain, gram, horsepower-hour, horsepower-year, hundredweight, joule, kilo, kilogram

- dysentery, German measles, abscess, acute articular rheumatism, ague, alkali disease, anaemia, anthrax, asphyxiation, asthma, ataxia, atrophy, bacillary dysentery, backache, bastard measles, black death

- dyspepsia, abscess, ague, anaemia, asphyxiation, asthma, ataxia, atrophy, backache, bleeding, chill, chills, colic, constipation, convulsion, costiveness

- dyspeptic, allergic, anaemic, apoplectic, arthritic, bilious, bitter, cancerous, case, choleric, colicky, consumptive, dropsical, embittered, encephalitic, epileptic

- dysprosium, gold, iron, lead, metal, silver

- dystopia, Eden, Garden of Eden, Pandemonium, Shangri-la, dreamland, faerie, fairyland, heaven, kingdom come, land of dreams, land of enchantment, land of faerie, land of plenty, land of promise, lotus land
