Waterloo
atrophy
bane
beating
bouleversement
brash
breakdown
burst of rain
cascade
cataract
chute
cloudburst
collapse
comedown
conquering
conquest
convulsion
crash
cropper
deathblow
debacle
decadence
declension
declination
decline
defeat
deflation
defluxion
degeneracy
degeneration
degradation
deluge
descending
descension
descent
destroyer
destruction
devolution
discomfiture
down
downbend
downcome
downcurve
downflow
downgrade
downpour
downrush
downtrend
downturn
annihilation
bankruptcy
breakup
capitulation
catastrophe
demise
disappearance
disintegration
dissolution
doom
expulsion
extinction
overthrow
re-demption
restoration
subjugation
subversion
undo