putrefaction

nouns

a state of decay usually accompanied by an offensive odor
is derived from
(biology) the process of decay caused by bacterial or fungal action
is derived from
moral perversion; impairment of virtue and moral principles
"the luxury and corruption among the upper classes"; "moral degeneracy followed intellectual degeneration"; "its brothels, its opium parlors, its depravity"; "Rome had fallen into moral putrefaction"