reappears, endures, persists, occurs, lingers, repeats, happens, arises, festers, recapitulates, invokes, emerges, alludes, lasts, accompanies, perseveres, succumbs, oscillates, metastasizes, progresses, confronts, prevails, regenerates, unfolds, disappears, becomes, provokes, recites, resounds, overuses, reproduces, digresses, spawns, befalls, erupts, illuminates, illumines, begets, heals, dissipates, utters, afflicted, darkens, lichen planus, pervades, undergoes, evolves, reverts, revisited, pops, ensues, relapse, fades, deteriorates, malignant neoplasm, muddles, haunts, reverberates, goes, evokes, transpires, whirls, infects, palliated, suffuse, vanishes, suffers, rears, enunciates, esophagogastric junction, coalesces, entwines, permeates, memento mori, reanimates, limned, magnifies, convulses, punctuates, flits, resonates, fails, thickens, boils, ejaculates, aggravates, belabors, discerns, recedes, occludes, kindles, besets, tertiary syphilis, throbs, rephrases, inheres, refracts, ruminates, metastasise, prefigures, jamais vu, rouses, appears, corresponds, captures, cast, councilman, do, letter, makes, patent, tack, abound, admits, alderman, behaves, blends, bolt, can, class

continual, periodic event, periodic motion, periodic movement, recurrent event, theme song