Fastness, Fleet, Flight, Flit, Flurry, Fly, Foot, Football, Forward, Further, Gait, Grease, Haste, Hasten, Hastiness, Headway, Heart, Help, Hickory, Hurry, Hustle, Impetuosity, Impulsiveness, Knots, Loose, Lubricate, Move, Nip, Oil, Pace, Precipitate, Precipitation, Press, Promote, Promptitude, Promptness, Push, Quicken, Quickness, Race, Rapidity, Rashness, Rip, Run, Rush, Rustle, Scamper, Scorch, Scramble, Scurry, Abruptness, Accelerate, Advance, Advantage, Aid, Alacrity, Amphetamine, Assist, Barrel, Bat, Bolt, Boom, Boost, Breeze, Briskness, Brush, Bucket, Bundle, Bustle, Career, Charge, Chase, Clip, Cocaine, Coke, Crowd, Crystal, Dart, Dispatch, Ease, Encourage, Expedite, Expedition, Explain, Facilitate, Shoot, Simplify, Sizzle, Skim, Smooth, Snow, Sprint, Spur, Stampede, Stimulant, Streak, Suddenness, Sweep, Swiftness, Tear, Timeliness, Unbar, Unblock, Unclog, Unjam, Upper, Urge, Velocity, Whip, Whisk, Zip, Zoom