incidence, nonoccurrence, commonplace, phenomenon, sequela, incidents, onsets, dysmenorrhoea, emergences, prolongations, irruptions, intertropical convergence zone, norm, accidents, cholecystitis, rarity, prevalence, anomaly, haematuria, regularity, urethritis, iritis, epidemics, cervicitis, cytopenia, thyrotoxicosis, precipitant, preventability, incurability, catastrophes, epiglottitis, ophthalmia, leucopenia, tetany, outbreaks, ebola hemorrhagic fever, pancytopenia, parasitaemia, occupational hazard, routine, hypercapnia, flaccid paralysis, thyroiditis, status epilepticus, amenorrhoea, myoclonus, circumstance, superfetation, fatality, urticaria, recurrences, calamities, congenital anomaly, hyphema, disturbances, inundations, septicemic, frequency, repolarization, ankerite, hydrops, exotropia, recrudescence, hemoptysis, consequence, autunite, neurosyphilis, erythema nodosum, hypercalcemia, mineralizing, severity, disasters, diathesis, hypos, orchitis, mortalities, seismicity, neurofibroma, faunas, calculi, aberration, orpiment, diurnal variation, marburg, commotions, tinea, bullae, enargite, dislodgment, cholestasis, rh incompatibility, argentiferous, asystole, precursors, methemoglobinemia, mydriasis, pestilences, complication, grand mal, eosinophilia, abnormality, cerebrovascular accident, occurence, occurrences, event, occurences, happening, appearances, finding, instances, sighting, events, happenings, incident, visitor, case, disappearance, episode, instance, prespecified, collocational, distributional, phonotactic, ascertainable, observed, specified, syntactic, kinematic, selectional, semantic, correlational, disjunctive, inferred, macrolevel, criterial, enrollment, kinematical, reorder

abrupt change, accident, accompaniment, alteration, appearance, avalanche, beginning, blow, bonanza, boom, break, burst, chance event, change, co-occurrence, collapse, conclusion, concomitant, contact, contingency, convergence, crash, destiny, discharge, ending, eventuality, example, experience, failure, fate, fire, flare-up, flash, fortuity, goldmine, impinging, interruption, juncture, manna from heaven, marvel, miracle, modification, motion, movement, news event, occasion, outbreak, outburst, periodic event, recurrent event, reversal, reverse, setback, sound, striking, success, thing, trouble, union, wonder

., acquired reflex, alarm, alarm system, aleatory contract, allopatry, antecedent, attack, avert, avoid, await, backlash, blend, break, burglar alarm, business interruption insurance, case, changeless, chronology, combine, combining, coming back, computer error, conclusion, concoction, concomitance, conditional reaction, conditional reflex, conditional response, conditioned avoidance, conditioned avoidance response, conditioned reaction, conditioned reflex, conditioned response, conditioning, conglobation, conglomeration, conservation, constant, contingence, contingency, convergence, coruscation, damage, debar, deflect, direct tide, distribution, emission, end, ending, equidsitribution, error, eruption, eventuality, every day, example, expect, fend off, final stage, finish, flood control, flood tide, folie a deux, frequency distribution, freshet, fusion, glitter, harm, head off, hearing dog, ictus, immediacy, immediateness, impairment, incidence, instance, instancy, instantaneousness, interruption, intrasentential, invariant, irruption, jet, lapse, last, look, loosening, loss of consciousness, masora, masorah, menarche, merger, miracle, narration, narrative, obviate, operant conditioning, outbreak, overflow, overspill, petroleum geology, polymorphic, polymorphous, preemptive, preservation, promptly, raptus, reciprocal-inhibition therapy, reciprocal inhibition, relative incidence, relaxation, resilience, resiliency, res gestae, return, right away, rising tide, runoff, seizure, slackening, slack tide, slack water, sound, sparkle, spate, spirt, spurt, squirt, statistical distribution, stave off, steady, story, sympatry, tale, treat, unification, union, unvarying, volcanic eruption, wait, ward off, warning device

presence

natural event