Noun
fall [pl. falls] , {The}, {relig.}
سقوط {دين}
drop [pl. drops] , {ping}
collapse [pl. collapses]
downfall [pl. downfalls]
precipitation [pl. precipitations]
descent [pl. descents]
incidence [pl. incidences] , {phys.}
سقوط {فزياء}
prolapse [pl. prolapses]
tumbles [sing. a tumble]
devaluation [pl. devaluations]
slump [pl. slumps]
...
falling {down, out, away}