human action vs activity

Other hyponyms of human action include action, acquiring, getting, causation, causing, delivery, obstetrical delivery, departure, going, going away, leaving, discovery, find, uncovering, disposal, disposition, effectuation, implementation, egress, egression, emergence, equalisation, equalization, leveling, digging up, disinterment, exhumation, mitsvah, mitzvah, actuation, propulsion, recovery, retrieval, running away, touch, touching, nonaccomplishment, nonachievement, leaning, motivating, motivation, assumption, rejection, forfeit, forfeiture, sacrifice, derivation, hire, wear, wearing, assessment, judgement, judgment, production, stay, abidance, residence, residency, inactivity, hinderance, hindrance, interference, stop, stoppage, distribution, legitimation, permissive waste, waste, proclamation, promulgation, communicating, communication, speech act, subtweeting, shout-out.