Synonyms and related words :
air speed, alacrity, bat, briskness, ceaselessness, celerity, chattering, constancy, constant flow, continualness, continuity, decisiveness, dispatch, expedition, expeditiousness, fastness, flight, flit, flurry, gait, ground speed, haste, hurry, immediacy, immediateness, incessancy, instantaneousness, knots, lightning speed, miles per hour, noninterruption, oscillation, pace, perpetuity, precipitation, promptitude, promptness, pulsation, punctuality, punctualness, quick fire, quickness, rapid fire, rapid recurrence, rapid succession, readiness, regularity, repetition, round pace, rpm, rush, snappiness, speed, speediness, staccato, steadiness, stuttering, summariness, sustainment, swift rate, swiftness, tattoo, unintermission, uninterruption, velocity, vibration