Putrefaction

The act or the process of putrefying; the offensive decay of albuminous or other matter.

The condition of being putrefied; also, that which putrefied.

(biology) the process of decay caused by bacterial or fungal action

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"

a state of decay usually accompanied by an offensive odor