act, aid, aim, bag, blind, blunt, break, burst, buzz, call, care, cease, dead, dish, ease, eeg, fit, front, fun, give, glide, heat, hell, help, hold, hot, hub, hum, hunt, id, jest, job, joke, keep, law, line, loss, make, mask, miss, noise, now, nsaid, pause, peak, pet, play, pluck, point, porn, quake, quit, rest, role, roll, romp, round, rush, rut, sale, search, seethe, seism, sell, sin, smoke, smut, sphere, spree, stand, stop, swing, tax, throw, time, toy, try, turn, vent, view, vim, waste, work, year

action, active, allow, assist, attempt, back out, break in, breeding, building, business, busy, by-line, byplay, call in, caper, center, centre, chicken, clampdown, clerking, clinic, clonic, cloning, combined, comeback, come back, command, commit, condemn, conjunct, control, crawfish, create, cutting, deaden, demand, depress, devote, diestrum, diestrus, direct, disrupt, downswing, downturn, dressing, earthquake, effort, engage, entrant, estrus, feel like, fetich, fetish, finance, fixings, fledgling, focus, freshman, frolic, front man, fueling, full-time, gambol, get back, give up, gliding, go back, go on, graphic, grass roots, grooming, grouping, haircare, hair care, half-time, hamas, harvest, hauling, hiding, hobby, hunting, hustle, interest, laughter, lay off, leading, leisure, lifeless, lively, logjam, maintain, manic, market, mishegaas, mixer, mother, mourning, music, newbie, novice, oestrus, off-peak, old growth, orgy, outlet, part-time, party, patrol, permit, platoon, pleasure, porno, proceed, process, pull back, pursue, purview, quiet, raging, raising, release, repose, result, retreat, return, roundup, rousing, safe sex, sailing, sarin, saving, schedule, sector, session, sex drive, sideline, sign up, sit out, soaring, social, solo, space walk, spearhead, standstill, starter, stocking, strawman, straw man, supply, support, sweatshirt, talent, tax break, temblor, tie-up, traffic, training, trimmings, truckage, trucking, tune-up, up-tick, upkeep, upturn, warm-up, warm up, withdraw, working, workout, worship, writing

actus reus, adrenarche, arousal, assistance, athletics, back away, beginner, bellwether, bookkeeping, break away, bullfighting, bustling, busyness, calculate, charity, circumstance, coenzyme, company, concealing, concealment, concerted, conjunctive, consecrate, construction, continue, correction, crawfish out, crosscurrent, crowd control, cup of tea, dabbler, decoding, decryption, dedicate, deflation, depressant, depression, depressor, directive, disturbance, diversion, dramatics, dry walling, encoding, encryption, endeavor, endeavour, energy, enjoining, enjoinment, enlightened, exercise, exporting, facts of life, figurehead, firing line, fits and starts, fixation, fledgeling, follow-up, followup, formation, give-and-take, golden age, gold standard, go along, hairdressing, handwriting, heparin, hesitate, hobbyist, horizon, importing, inaction, inactive, injunction, inscription, interchange, interdict, interest group, interrupt, leadership, lecherous, lechery, lethargic, limber up, line duty, line function, line of work, liquaemin, liveliness, loosen up, maintenance, marketplace, mastery, mecholyl, mefoxin, meshugaas, metalwork, minesweeping, misconduct, mishegoss, myogram, neophyte, newcomer, notation, overdrive, partisan, partizan, past master, peacekeeping, physical, piece of work, portraiture, prolusion, prosecute, protection, provision, quietly, railroading, rainmaking, readying, refreshment, requirement, resurgence, revival, round of golf, sailplaning, sciolist, selflessness, set about, sociable, specialised, specialized, spring-cleaning, stage business, stress fracture, subconscious, subterfuge, supplying, synergist, taxation, temperature, , thymosin, tolerate, trade cycle, triassic, unconscious, undertake, united, variance, vegetive, vigorous, visiting, votary, wastefulness, waste of time, welfare work, wrongdoing

activating, activation, activator, active agent, aestivation, animation, antithyroid, associate, athletic game, attention span, avocation, balanced diet, basic training, , bioassay, business cycle, carry over, ceremony, chauvinism, continuance, countercurrent, curtain raiser, decipherment, depressor nerve, dilettante, discontinue, dissipation, distribution, dormant account, energizing, enthusiast, erotica, estivation, exercising, exportation, fatigue fracture, film editing, focal seizure, gammopathy, genital phase, genital stage, hibernation, hugger-mugger, importation, inactiveness, inherently, inhibitor, initiate, inspiration, interdiction, interference, intermission, lamentation, lipo-hepin, mental process, metalworking, methacholine, molestation, mountaineering, mountain climbing, mumbo jumbo, nominal head, obfuscation, occupation, operation, orgiastic, paedophilia, participant, pedophilia, perturbation, pilot program, pilot project, piscatory, pornography, preparation, presentation, preservation, procreation, prostaglandin, pseudoscience, reconstruction, recreation, refueling, regulator, relaxation, reproduction, resultant role, self-sacrifice, social service, stimulating, stimulative, subconscious mind, superscription, tax advantage, tax benefit, unconscious mind, unergetic, variation, vegetative, vested interest, virgin forest, vitality, volcanism, window-washing, wrongful conduct, zooerasty

ace inhibitor, adrenosterone, answerableness, anticatalyst, bandwagon effect, bottle collection, brutalisation, brutalization, business enterprise, cardiography, cephalosporin, cognitive process, communicating, communication, continuation, cooperative, disinfestation, district manager, encephalogram, endocrine system, enzymology, glucocorticoid, gonadotrophin, gonadotropin, invigoration, jocularity, keynesianism, male chauvinism, managerial, monopolistic, moratorium, mystification, negotiation, neurochemical, occupational, organisation, organization, paraphilia, participating, peacekeeping mission, piscatorial, political sphere, professionalise, professionalize, rail technology, reciprocation, regeneration, representation, uninitiate, vivification, zooerastia

accountability, amygdalotomy, answerability, antifeminism, bisexuality, business activity, cease and desist order, circadian rhythm, commercial enterprise, committal to writing, electrification, electromyograph, facilitatory, overactivity, physical exercise, physical exertion, revenue enhancement, revitalisation, revitalization, revivification, secularisation, secularization, sedative-hypnotic, social activity, triassic period

associationism, association theory, chemical engineering, cognitive operation, commercial activity, computer technology, electroretinogram, environmentalism, gonadotrophic hormone, gonadotropic hormone, molecular genetics, peacekeeping operation, political arena, professionalisation, professionalization, sedative-hypnotic drug, sensory activity

automotive engineering, automotive technology, electrocardiography, electroencephalogram, hyperpituitarism, islamic resistance movement, military operation, molecular biologist, molecular biology

aeronautical engineering, communications technology