irregularity, unregularity

alacrity, rapidity, consistency, aplomb, fluidity, verve, ferocity, inconsistency, predictability, panache, vigor, gusto, unpredictability, nonchalance, briskness, accuracy, propensity, synchronicity, blatancy, occurrence, whenever, swiftness, haphazardness, frequency, effortlessness, equanimity, distractedness, suddenness, brio, clockwork, elan, exactitude, sidespin, inelegance, inconsequentiality, celerity, commonplace, fluency, casualness, pithiness, sprightliness, rarity, directness, inconsequence, randomness, obliviousness, adeptness, weirdness, pinging, felicity, conjunctions, vehemence, crispness, lulls, looseness, bunches, timeliness, boringness, harrying, deftness, constancy, terribleness, easiness, sangfroid, precision, pointlessness, familiarity, metronomes, banality, semblance, tendency, certitude, profusion, blitheness, impunity, ponderousness, impenetrability, inanity, immediacy, illogic, forcefulness, allusiveness, productiveness, preciseness, indirectness, superabundance, repetitiveness, precocity, frankness, cogency, putridity, quirkiness, proclivity, simultaneity, oddities, tameness, flair, eccentricity, bounciness, cacophonies, consistence, coherence, uniformity, steadiness, exactness, evenness, punctuality, neatness, clearness, orderliness, smoothness, clarity, lucidity, promptness, unanimity, correctness

cyclicity, even spacing, invariability, methodicalness, periodicity

desultory, even spacing, irregular, like clockwork, ordered, orderly, regulated, rhythmic, rhythmical, swallow, temporary

balance, correspondence, quality, symmetricalness, symmetry

geometrical regularity