decadency
abandon
abandonment
abjection
comedown
corruptedness
corruption
corruptness
debasement
decadent
decay
decayed
declension
declination
decline
deformation
degeneracy
degenerate
degenerateness
degeneration
degradation
demoralization
demotion
depravation
depravedness
depravity
depreciation
derogation
descent
deterioration
devolution
dissoluteness
downfall
downgrade
downtrend
downturn
downward mobility
downward trend
drop
dying
ebb
effeteness
fading
failing
failure
failure of nerve
fall
falling-off
abasement
ascendency
barbarism
childishness
collapse
disintegration
dissolution
extermination
extinction
inferiority
insanity
retrogradation
retrogression
revival
senility
stagnation
upheaval
well-being