decaying
rot
woodrot
decayability
semidecay
decayer
decaylessness
radioactive disintegration
nuclear disintegration
nuclear decay
radiodecay
decay
disintegration
putrescence
decayedness
corruption
waste
devastation
desolation
imperishableness
imperishability
imperishingness
alpha decay
winter
worm food
branching ratio
biodecay
declension
photodecay
beta decay
necrobiome
neutron activation analysis
daughter
geoneutrino
alpha radiation
perishing
dilapidation
Ci
curie
unsoundness
secular equilibrium
check-out time
neutron emission
curtain
parent
demise
big sleep
doom