Janus, ambivalence, amphibologism, amphibology, amphiboly, antinomy, asymmetry, biformity, bifurcation, cavil, conjugation, counterword, dichotomy, disproportion, disproportionateness, dodge, double entendre, double meaning, double-talk, doubleness, doublethink, doubling, dualism, duality, duplexity, duplication, duplicity, equivocacy, equivocal, equivocality, equivocalness, equivocation, equivoque, evasion, haggling, hair-splitting, halving, hedge, heresy, heterodoxy, heterogeneity, impenetrability, imprecision, inapprehensibility, inarticulateness, incognizability, incoherence, incommensurability, incompatibility, incomprehensibility, inconclusiveness, incongruity, inconsistency, inconsonance, indefiniteness, indistinctness, inscrutability, irony, irreconcilability, nonconformability, nonconformity, numinousness, obscurity, oxymoron, pairing, paradox, polarity, polysemant, polysemousness, portmanteau word, pun, quibbling, ramblingness, self-contradiction, shift, squinting construction, subterfuge, tergiversation, twinning, two-facedness, twoness, uncertainty, unconformability, unconformity, unconnectedness, unfathomableness, unintelligibility, unknowability, unorthodoxy, unsearchableness, vagueness, weasel word