age, bag, bail, bloom, bout, clime, clock, coal, cross, dawn, day, doze, drag, drift, drowse, eve, flush, frame, gain, hayes, heat, hitch, hole, lag, late, lease, leave, lent, life, like, lull, moon, morn, nap, net, night, past, patch, peak, phase, piece, prime, reign, round, run, rut, sales, school, shift, sleep, snooze, span, spell, stage, stint, stop, stretch, style, sweep, term, thought, time, tour, trick, turn, watch, week, while, year, years, yield, young, youth, yule

ancient, ancients, antique, at length, blossom, blow gas, booking, bronze age, case load, cash flow, census, chapter, christmas, clean up, climate, color, costume, cover, decade, diestrous, dog days, downtime, drag on, drag out, dust sheet, early, earnings, edwards, ending, eon, epoch, era, estrus, evening, expired, father, flower, fortnight, frequence, gross sales, heyday, hour, hours, ice age, ideal, income, inning, lasting, lifespan, lifetime, lively, longueur, long haul, long run, long time, look back, lucre, lustrum, middle, midterm, morning, new deal, noel, oestrus, off-peak, output, outturn, over, peacetime, postwar, present, print run, profit, profits, quiet, rapid, red scare, reflate, review, rhythm, run-up, run for, schooltime, school day, school year, season, see through, sentence, sequent, settled, shibah, shiva, shivah, short-run, short-term, shower, step out, stone age, throughput, time frame, time off, trade gap, traffic, transfer, transplant, transpose, traverse, turnout, twelvemonth, two weeks, uptime, vigil, waning, wartime, waveform, wave form, wave shape, waxing, weekend, western, wherein, wild west, window, work shift, work time, yuletide

adulthood, allowance, all along, amnesty, anthropic, appearance, archaic, article, bimester, blowing gas, body count, bridge over, canicule, carry back, christmastide, christmastime, church father, clifford trust, coelacanth, coeval, cold weather, colorful, consequent, continue, correction, currently, dark ages, deficit, depression, descriptive, diestrual, dioestrous, drinking bout, duration, dust cover, duty tour, early days, emigrate, engagement, enlistment, eternal, eventide, exilic, expiry, extension, fall from grace, famishment, festival, finally, first quarter, fiscal year, forenoon, frequency, game license, gestation, golden age, grab sample, grantor trust, hebdomad, hold over, holy year, honeymoon, horse opera, hot weather, immature, interim, interlude, in the end, iron age, keep going, lactation, last quarter, lententide, lunar day, lunar month, lunar year, lunation, menstrual, migration, morning time, net income, net profit, nosecount, nowadays, nummulite, occupant, off-season, oftenness, pangaea, pangea, persistence, pollen count, pregnancy, premature, prenatal, preseason, presently, prevalence, prison term, probation, production, rain shower, ramadan, reflation, regency, renaissance, represent, resident, retrospect, reversion, right along, romantic, screen saver, semester, semestral, silver age, sinornis, stagflation, starvation, stock option, stock warrant, student nurse, study hall, subscription, synchronal, synchronic, synchronous, terminal, terminate, tide over, time limit, time of life, tontine, trachodon, trachodont, trade balance, travel time, trimester, turbulence, turnover, usance

adolescence, aeonian, aestivation, antebellum, anthropical, antiquated, antiquity, asynchronous, avifauna, avifaunal, balance of trade, basic training, calendar week, cardiograph, carry forward, carry over, centenary, centennial, christian era, circulation, climacteric, common era, continuance, covariance, decennary, decennium, deciduous, delayed action, dioestrual, dormant account, earnings report, efflorescence, eolithic, eonian, estivation, euphuism, everlasting, expiration, expressive style, financial year, first period, fishing license, glacial epoch, gross revenue, harmonic law, hunting license, idiolect, iguanodon, income statement, in the long run, language lesson, latency phase, latency stage, leave of absence, limitation, maternity, maturity, melioration, mesolithic, middle ages, neolithic, noviciate, novitiate, occupation, occupier, pax romana, perinatal, period piece, polyestrous, polyoestrous, postexilic, prematurely, premenstrual, probationer, profit and loss, progress report, prohibition, puerperium, quaternary, reconstruction, recrudescence, reign of terror, residence time, rhythm method, romanticist, semestrial, semicolon, synodic month, termination, term insurance, third period, time period, tour of duty, turnover rate, tyrannosaur, week from monday

academic year, amortisation, amortization, archaeopteryx, archeopteryx, avifaunistic, balance of payments, bicentenary, bicentennial, calendar method, canicular days, cardiac output, coetaneous, conciliation, contemporary, continuity, cycliophora, cynodontia, duty period, eventually, final period, geosynchronous, glacial period, indian summer, jonathan edwards, metabolic rate, national income, notification, nuclear winter, orbit period, palaeolithic, paleolithic, period of time, phanerozoic, precipitation, rutherford b. hayes, saint martin's summer, second period, sidereal month, spiritually, term of a contract, term of enlistment, tricentenary, tricentennial, tyrannosaurus, victorian age, visible balance

anomalistic month, antediluvial, antediluvian, coniferophyta, coniferopsida, contemporaneous, elizabethan age, endowment insurance, genus protoavis, gestation period, gross domestic product, gross national product, hospitalization, ibero-mesornis, ictodosauria, invisible balance, latency period, operating statement, overtime period, profit and loss account, prohibition era, russian revolution, rutherford birchard hayes, stay of execution, tudor architecture, turn of the century, tyrannosaurus rex

ballistocardiograph, class coniferopsida, coniferophytina, contemporaneity, contemporaneously, contemporaneousness, division cynodontia, genus struthiomimus, geosynchronous orbit, incubation period, latimeria chalumnae, october revolution, organization expense, perpetual calendar, respiratory quotient, statute of limitations

myxinikela siroka, order ictodosauria, phylum cycliophora, rhythm method of birth control

archaeopteryx lithographica, calendar method of birth control

maximum and minimum thermometer, subdivision coniferophytina