Similar word to shadinesses:

artifice, bunk, cheating, chicane, chicanery, corruption, craft, craftiness, criminality, crookedness, cunning, deceit, deviousness, dishonesty, double-dealing, duplicity, faithlessness, falsehood, falsity, flimflam, fourberie, fraud, fraudulence, graft, guile, hanky-panky, hocus-pocus, improbity, infamy, infidelity, insidiousness, mendacity, perfidiousness, perfidy, racket, rascality, sharp practice, shiftiness, slyness, sneakiness, stealing, swindle, treachery, trickery, trickiness, underhandedness, unscrupulousness, wiliness