Related by context. Frequent words. (Click for all words.) 77 occurence 74 occurrences 73 occurance 59 occurring 57 occurences 53 occur 51 occuring 50 incidence 50 incidences 50 occurs 49 rare occurrence 46 unpreventable 45 commonplace 45 Incidences 45 Incidents 44 occurred 44 phenomenon 44 infrequent 43 Occurrence 42 everyday occurrences 42 phenomena 42 incidents 42 Volcanic eruptions 42 exceedingly rare 41 uncommon occurrence 40 Obstructive sleep apnea 40 occured 40 laboratory abnormalities 40 Allergic reactions 40 recur 39 norm 39 happening 39 accidents 39 anomaly 39 freak occurrence 39 Recurrence 39 prevalence 39 rarity 39 treatment emergent adverse 38 Occurring 38 prevalent 38 iatrogenic 38 Sexual assaults 38 Incidence 38 rarer 38 happen 38 uncommon 37 regularity 37 epidemics 37 Outbreaks 37 unplanned 37 outbreaks 37 adverse 37 catastrophes 37 occupational hazard 37 Thyroid cancer 37 Vomiting 37 Hypoglycemia 37 circumstance 37 mineralizing 37 reoccur 37 fatality 37 reoccurrence 37 unforeseeable 36 routine 36 Kidnappings 36 Traumatic 36 reoccurring 36 cholera outbreaks 36 Blowouts 36 onset 36 catastrophic 36 recurrences 36 Abductions 36 urticaria 36 Bladder cancer 36 frequency 36 asthma exacerbations 36 common 36 disturbances 36 prolonged droughts 36 calamities 36 severity 35 unheard 35 hypercalcemia 35 preventable 35 consequence 35 inundations 35 Acquiring Person 35 vehicular accidents 35 unavoidable 35 seismicity 35 happened 35 recurrence 35 pulmonary embolism PE 35 mortalities 35 Instances 35 epidemic 35 species extinctions 35 causative factor 35 sequelae