aduncity, apparent soundness, aquilinity, arching, arcuation, casuistry, circling, circuition, circuitousness, circuitry, circulation, circumambience, circumambiency, circumambulation, circumflexion, circumlocution, circummigration, circumnavigation, concameration, concavity, convexity, convolution, crookedness, curvation, curvature, curving, curvity, decurvation, decurvature, deviance, deviancy, deviation, deviousness, digression, disingenuousness, distortion, equivocalness, equivocation, evasive reasoning, excursion, excursus, excurvation, excurvature, fallaciousness, fallacy, gyre, gyring, hookedness, incurvation, incurvature, incurvity, indirection, insincerity, jesuitism, jesuitry, meandering, misapplication, mystification, obfuscation, obscurantism, orbit, orbiting, oversubtlety, perversion, philosophism, plausibility, plausibleness, rationalization, recurvation, recurvature, recurvity, rondure, rotundity, roundaboutness, rounding, sinuosity, sinuousness, sophism, sophistical reasoning, sophistication, sophistry, special pleading, speciosity, specious reasoning, speciousness, spiral, spiraling, subtlety, tortuosity, tortuousness, turn, turning, vaulting, vicious circle, vicious reasoning, wheeling