List of periodic synonyms and periodic related words.
alternate, articulated, beating, catenated, ceaseless, circling, concatenated, connected, constant, continual, continued, continuing, continuous, cyclic, cyclical, direct, editorial, endless, episodic, epochal, even, ever-recurring, every other, featureless, fluctuant, fluctuating, fluctuational, frequent, gapless, harmonic, haunting, immediate, incessant, interminable, intermittent, isochronal, isochronous, iterative, joined, jointless, journalese, journalistic, libratory, linked, magazinish, magaziny, measured, metronomic, monotonous, never-ending, newspaperish, newspapery, nonstop, nutational, occasional, on-again-off-again, oscillating, oscillatory, pendular, pendulous, perennial, periodical, pulsing, reappearing, reciprocal, recurrent, recurring, regular, repeated, repetitive, reportorial, resonant, returning, revenant, rhythmic, rotary, round-the-clock, running, seamless, seasonal, serial, serried, smooth, sporadic, stable, steady, straight, thematic, thick-coming, twenty-four-hour, ubiquitous, unbroken, unceasing, undifferentiated, undulant, undulatory, unending, uniform, unintermitted, unintermittent, unintermitting, uninterrupted, unrelieved, unremitting, unstopped, vacillating, vacillatory, vibratile, vibrating, vibratory, wavelike, wavering, wheeling