phase, phase angle

vicious circle, process, phase, turn indicator, vicious cycle, feedback loop, lifetimes, sine curve, cyclicity, spiral, continuum, term, samsara, pattern, periods, trough, rut, lull, wave, perilune, durations, loop, exponential decay, cascade, intervals, downswing, estrous cycle, gastrulation, span, hydrologic cycle, lifespan, stages, estrous, timespan, stochasticity, trend, nadirs, kurtosis, increments, diapause, rollercoaster, oestrus, downtrend, conception, luteal phase, telomere, equilibriums, variable, regression, picosecond, peak, periodicity, time, downshift, dephasing, run, binge, seasonality, parabola, journey, onsets, sequence, epicyclic, paradigm, campaigns, boom, nrem sleep, neap tide, dormancy, uptrend, pathway, involution, oscillations, quiescence, machine, cytokinesis, trajectories, migrations, anaphase, inertia, degression, correction, systole, mileages, equilibration, spurt, flows, stochastic, deceleration, transitions, spermatogenesis, asynchrony, atomisation, ebb tide, sporozoite, photoperiod, fibonacci, slog, uncoiling, pedalling, microampere, estrus, cycles, i.e., operation, round, scenario, schedule, take, trajectory, cf, lifetime, maximum, ration, consignment, ebb, low, non, pre, program, forecast, developmental, latest, strength, difference, earlier, evolutive, later, ontogenetic, arousal, compliance, maturational, predictable, theory, behaviour, circadian, conflict, conjectured, context

backpedal, bicycle, bicycle-built-for-two, bike, cardiac cycle, cycle on, menstrual cycle, monocycle, motor scooter, pass, recycle, scooter, tandem, tricycle, trike, unicycle, velocipede, wheel

., alternation of generations, annual, autoecious, basal body temperature method, basal body temperature method of family planning, biennial, blister rust, calendar method, calendar method of birth control, cardiac cycle, cardiogram, carnot's ideal cycle, carnot cycle, cellular slime mold, change of life, ciliata, ciliophora, circadian rhythm, class ciliata, class ciliophora, climacteric, cocarboxylase, commutate, cronartium ribicola, cycle on, cyclic, diurnal, ecg, ekg, electrocardiogram, enlightenment, fertile period, fertile phase, fresh, gametophyte, great year, haemosporidian, hans adolf krebs, heteroecious, heterogenesis, homoecious, horary, indiction, intermediate host, islamic calendar, krebs, luteal phase, medusa, menopause, menstrual cycle, menstrual phase, merozoite, merry-go-round, metempsychosis, mittelschmerz, mohammedan calendar, moksa, monestrous, monoestrous, moslem calendar, muhammadan calendar, muslim calendar, natural family planning, night, nirvana, nitrobacterium, one-year, ovulation, pass, period, phase, phase angle, platonic year, pleomorphism, pregnanediol, rebirth, recycle, rejoicing in the law, rejoicing of the law, rejoicing over the law, rhythm, rhythm method, rhythm method of birth control, safe period, samsara, scyphozoan, secretory phase, shimchath torah, simchas torah, simchat torah, simhath torah, simhat torah, sir hans adolf krebs, sporophyte, sporozoite, superfecundation, symbion pandora, teliospore, thiamine pyrophosphate, trophozoite, two-year, xenogenesis

kc, khz, kilocycle, kilocycle per second, kilohertz

fairy swallow, go across, go through, interval, kick, make pass, periodic event, rate, recur, recurrent event, repeat, repetition, ride, series, time interval, wheeled vehicle

cps, cycle per second, cycles/second, hertz, hz, motorcycle, pedal