putrescence

adulteration atrophy blight breakdown caries consumption corrosion decadence decline decomposition decrease decrepitude degeneracy degeneration depreciation deterioration dilapidation disintegration disrepair dissolution downfall dying extinction fading failing gangrene impairment mortification putrefaction putridity putridness rot rottenness rotting ruin ruination rust senescence spoilage spoilation wasting withering

crumbling perishing wasting away

ascent betterment building combination construction development growth improvement increase morality rise