attrition
belittling
comedown
contempt
curtailment
cut
cutting
debasement
decadence
decadency
declension
declination
decline
decrease
decrement
decrial
deformation
degeneracy
degenerateness
degeneration
degradation
demotion
depletion
depravation
depravedness
depreciation
descent
deterioration
detraction
devolution
diminution
dip
disapproval
discrediting
disgrace
disparagement
downtrend
downturn
downward mobility
downward trend
drop
dying
ebb
effeteness
extraction
fading
failing
abrogation
annulment
repeal
asthenia
backbiting
dispraise
invalidation
talebearing
uncharitableness
unlesse
vilification
would'st