THESAURUS
incessancy
ceaselessness, chattering, coeternity, consecutiveness, constancy, constant flow, continualness, continuance, continuity, continuousness, durability, endlessness, equilibrium, eternalness, eternity, ever-duringness, everlastingness, everness, featurelessness, foreverness, fullness, gaplessness, immutability, indestructibility, infinite duration, infinity, interminability, jointlessness, monotony, never-endingness, noninterruption, oscillation, perdurability, perenniality, perennialness, permanence, perpetualness, perpetuity, plenitude, pulsation, quick fire, rapid fire, rapid recurrence, rapid succession, rapidity, regularity, repetition, seamlessness, sempiternity, smoothness, stability, staccato, steadiness, steady state, stuttering, successiveness, sustainment, tattoo, timelessness, unbrokenness, unceasingness, undifferentiation, uniformity, unintermission, unintermittedness, uninterruptedness, uninterruption, unrelievedness, vibration