putrefaction

noun

1.
a state of decay usually accompanied by an offensive odor
rot
Derived from:
putrefy
2.
(biology) the process of decay caused by bacterial or fungal action
rottingness breakdown decomposition rot rotting
Derived from:
putrefy
3.
moral perversion; impairment of virtue and moral principles
abrothenness atter corruption degeneracy depravation depravity