WordNet sense 1 (in a state of progressive putrefaction):

putrescence, rottenness, putridness

WordNet sense 2 (lack of integrity or honesty (especially susceptibility to bribery); use of a position of trust for dishonest gain):

corruptness

WordNet sense 3 (moral perversion; impairment of virtue and moral principles):

degeneracy, depravity, putrefaction, depravation

WordNet sense 4 (destroying someone's (or some group's) honesty or loyalty; undermining moral integrity):

subversion