abidingness, accordance, adherence, adhesion, age, allegiance, antiquity, aplomb, application, assiduity, assiduousness, attachment, balance, balanced personality, bona fides, bond, bonne foi, bulldog tenacity, calm, ceaselessness, changelessness, chattering, clockwork regularity, coeternity, commitment, concentration, consecutiveness, consistency, consonance, constant flow, continualness, continuance, continuity, continuousness, cool, correspondence, daily round, dedication, defeat of time, defiance of time, devotedness, devotion, diligence, dingdong, diuturnity, dogged perseverance, doggedness, drone, durability, durableness, duration, endlessness, endurance, engrossment, equability, equanimity, equilibrium, eternalness, eternity, even pace, even tenor, evenness, ever-duringness, everlastingness, everness, faith, faithfulness, fastness, fealty, featurelessness, fidelity, firmness, firmness of mind, fixedness, flintiness, foreverness, frozenness, fullness, gaplessness, good faith, hardening, homage, homeostasis, homogeneity, immobility, immovability, immovableness, immutability, imperturbability, incessancy, indefatigability, indestructibility, industriousness, industry, infinite duration, infinity, inflexibility, insistence, insistency, interminability, invariability, invariableness, inveteracy, jointlessness, lastingness, long standing, long-lastingness, long-livedness, longevity, loyalty, maintenance, methodicalness, monolithism, monologue, monotone, monotonousness, monotony, nerve, never-endingness, noninterruption, obstinacy, orderliness, oscillation, patience, patience of Job, perdurability, perennation, perenniality, perennialness, permanence, permanency, perpetualness, perpetuity, perseverance, persistence, persistency, pertinaciousness, pertinacity, plenitude, plodding, plugging, preoccupation, pulsation, punctuality, quick fire, quiescence, rapid fire, rapid recurrence, rapid succession, rapidity, regularity, relentlessness, reliability, repetition, resolution, rigidity, rootedness, sameliness, sameness, sang-froid, seamlessness, secureness, security, sedulity, sedulousness, sempiternity, settledness, single-mindedness, singleness of purpose, singsong, slogging, smoothness, solidity, soundness, stability, stable equilibrium, stable state, staccato, stamina, standing, stasis, staunchness, staying power, steadfastness, steadiness, steady nerves, steady state, steeliness, stick-to-itiveness, stubbornness, stuttering, substantiality, successiveness, survival, survivance, sustainment, systematicalness, tattoo, tenaciousness, tenacity, tie, timelessness, tirelessness, torpor, treadmill, tried-and-trueness, triedness, troth, true blue, trueness, unbrokenness, unceasingness, unchangeability, unchangingness, undeflectability, undeviation, undifferentiation, uniformity, unintermission, unintermittedness, uninterruptedness, uninterruption, unity, unrelievedness, unremittingness, unruffledness, unshakable nerves, unshakableness, unswerving attention, unvariation, unyieldingness, vibration