duality Synonyms

dichotomy wave-particle duality span secessionism polarity perfidy perfidiousness pair opposition monism inconvertibility hypocrisy guile fraud binaries treachery twoness two-facedness twins one-upmanship duplexity interchangeableness fungibility doublethink Jekyll and Hyde ambivalence two twin falsehood dyad duplicity deceitfulness deceit cunning couple contrast chicanery brace binary bilaterality bifurcation biformity artifice deception deuce duo duet dualism dual doublet