Englishknavery
noun
archaic
no system can protect a fool from the knavery of others:
villainy, unscrupulousness, baseness, roguishness, badness, wickedness, viciousness, iniquity, depravity, evil, vileness, devilishness, rascality, delinquency, corruption, corruptness;
wrongdoing, evil-doing, misconduct, mischief, roguery, devilry, turpitude;
dishonesty, deceit, deception, fraud, trickery, chicanery, cheating, swindling, duplicity, double-dealing, imposture;
informal crookedness;
archaic knavishness.
▷antonyms honesty, virtue, honour.
knave Oxford Dictionary of English