ambiguity, ambivalence, anamorphism, anamorphosis, antinomy, buckle, contortion, contrariety, crookedness, detorsion, deviation, difference, disequilibrium, disparity, disproportion, disproportionateness, distortion, equivocality, gnarl, heresy, heterodoxy, heterogeneity, imbalance, inadequacy, incoherence, incommensurability, incompatibility, incongruity, inconsistency, inconsonance, inequality, inequity, injustice, insufficiency, irreconcilability, irregularity, knot, lopsidedness, nonconformability, nonconformity, nonuniformity, odds, overbalance, oxymoron, paradox, quirk, screw, self-contradiction, shortcoming, torsion, tortuosity, turn, twist, unbalance, unconformability, unconformity, unevenness, unfair discrimination, unorthodoxy, unsymmetry, warp, wrench, wrest, wring