abruptness
agility
air speed
alacrity
bat
brevity
briefness
briskness
celerity
decisiveness
dispatch
expedition
expeditiousness
fastness
feverishness
flight
flit
flurry
furiousness
gait
ground speed
haste
hastiness
hurriedness
hurry
hustle
immediacy
immediateness
impetuosity
impetuousness
impulsiveness
instantaneousness
knots
lightning speed
miles per hour
nimbleness
pace
precipitance
precipitancy
precipitation
precipitousness
promptitude
promptness
punctuality
punctualness
quickness
rapidity
rate
execution speed
graduality
gradualness
boldness
certainty
clarity
coolness
directness
ferocity
ingenuity
lightness
precision
regularity
slowness
suddenness
tenacity
vigour
vivacity
vividness