instantaneousness

noun 0.757

instantaneity

noun 0.729

velocity

noun 0.628

instant

noun 0.615

space velocity

noun 0.595

tangential velocity

noun 0.587

instanton

noun 0.558

terminal velocity

noun 0.557

instancy

noun 0.557

group velocity

noun 0.541

radial velocity

noun 0.535

infinitesimal

noun 0.534

phase velocity

noun 0.532

accelerated motion

noun 0.531

angular velocity

noun 0.528

muzzle velocity

noun 0.528

speed of light

noun 0.522

velocimeter

noun 0.522

hypervelocity

noun 0.521

speed

noun 0.521

speed parameter

noun 0.517

high speed

noun 0.515

infinitesimal calculus

noun 0.509

lightspeed

noun 0.508

momentariness

noun 0.505