intervals, periods, msec, cycles, maturities, frequency, distances, convexity, cyclicity, periodicity, timespan, ultrashort, severities, hypopnea, shortening, intensities, photoperiod, variable, leucopenia, uln, increments, impedances, oxyhemoglobin, claudication, timeframe, rhythmicity, prolongations, onsets, lifespan, intraventricular, nadolol, kurtosis, amenorrhea, acetazolamide, amplitudes, pcr, diurnal, repolarization, akinesia, span, cessations, microampere, ambulation, latencies, asystole, length, histologies, covariance, randomisation, temporal, wavelengths, fibrinolysis, hyperalgesia, baroreceptor, milliseconds, dephasing, magnon, lengthening, isotherm, preset, autocorrelation, standard deviation, correlations, luteal phase, concurrent, endometrial carcinoma, mileages, prothrombin, arteriolar, interconversion, enuresis, diurnal variation, lymphopenia, prodrome, fluence, theta, dysmenorrhoea, subthreshold, chromatogram, nrem, asynchrony, exposures, estrous, leydig cell, cumulate, diastole, polysomnogram, status epilepticus, autoregulation, phonophobia, periodicities, hypnotics, velocities, amenorrhoea, quadrillionth, types, tachypnea, viremia, rates, chemoprophylaxis, incubation period, inspiratory, duration, lengths, bandwidths, thicknesses, widths, interval, sizes, spans, conductivities, frequencies, ratios, values, yields, densities, weights, conductances

impermanence, impermanency, rhythmicity