activity vs release

Other hyponyms of activity include update, variance, variation, space walk, domesticity, operation, operation, pattern, practice, diversion, recreation, bag, cup of tea, dish, follow-up, followup, game, play, turn, music, acting, performing, playacting, playing, animation, liveliness, burst, fit, work, deeds, works, service, business, job, line, line of work, occupation, occupation, committal to writing, writing, role, actus reus, misconduct, wrongdoing, wrongful conduct, dissipation, waste, wastefulness, attempt, effort, endeavor, endeavour, try, control, protection, sensory activity, didactics, education, educational activity, instruction, pedagogy, teaching, grooming, preparation, training, representation, creation, creative activity, disassembly, dismantlement, dismantling, puncture, hunt, hunting, search, employment, exercise, usage, use, utilisation, utilization, military operation, operation, measure, measurement, measuring, mensuration, calibration, standardisation, standardization, organisation, organization, grouping, support, supporting, continuance, continuation, procedure, process, ceremony, ceremony, worship, activating, activation, energizing, concealing, concealment, hiding, emplacement, locating, location, placement, position, positioning, provision, supply, supplying, demand, pleasure, delectation, enjoyment, lamentation, mourning, laughter, market, market place, marketplace, politics, preparation, readying, aid, assist, assistance, help, support, behavior, behaviour, conduct, doings, behavior, behaviour, leadership, leading, precedence, precedency, precession, solo, buzz, fun, outlet, vent, last, mystification, obfuscation, negotiation, verbalisation, verbalization, disturbance, perturbation, timekeeping.

Other hyponyms of activity include radiation, absorption, acidification, adiabatic process, aeration, antiredeposition, capture, capture, centrifugation, chemical action, chemical change, chemical process, chromatography, concretion, condensation, convection, clotting, coagulation, curdling, decay, demagnetisation, demagnetization, desorption, diffusion, disintegration, dissolution, distillation, distillment, drift, effervescence, cataphoresis, dielectrolysis, electrophoresis, ionophoresis, ecesis, establishment, extinction, extraction, feedback, filtration, flocculation, flow, formation, fossilisation, fossilization, geologic process, geological process, curing, hardening, set, solidification, solidifying, inactivation, ion exchange, ionisation, ionization, leach, leaching, magnetic induction, magnetisation, magnetization, materialisation, materialization, nuclear reaction, opacification, oscillation, oxygenation, pair creation, pair formation, pair production, phase change, phase transition, physical change, state change, precession of the equinoxes, saltation, scattering, sericulture, sink, soak, soakage, soaking, softening, sorption, source, rigidification, rigidifying, stiffening, stimulation, ecological succession, succession, natural selection, selection, survival, survival of the fittest, synergism, synergy, temperature change, transduction, transpiration, vitrification.