Synonyms and related words :
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