duplicity (n.)

• ambidexterity
• ambiguity
• ambivalence
• artfulness
• artifice
• bifurcation
• conjugation
• craft
• cunning
• deceit
• deceitfulness
• dichotomy
• dishonesty
• dissimulation
• double-dealing
• doublethink
• doubling
• dualism
• duality
• duplication
• faithlessness
• falseness
• furtiveness
• guile
• hypocrisy
• indirection
• insidiousness
• irony
• pairing
• perfidiousness
• perfidy
• polarity
• shiftiness
• sneakiness
• treachery
• wile