ceasing to exist

departure exodus loss removal

desertion disintegration dispersal dissipation dissolution ebbing eclipse escape evanescence evaporation exit fading flight going melting passing receding recession retirement wane withdrawal

decline and fall dematerialization disappearing act wearing away

arrival entrance

stay staying

appearance coming

decline and fall dematerialization departure desertion disappearing act disintegration dispersal dissipation dissolution ebbing eclipse escape evanescence evaporation exit exodus fade-out fading flight going loss melting passing receding recession removal retirement wane wearing away withdrawal