Comedown, Compensating, Conflicting, Confronting, Confusion, Contra, Contradictory, Contrary, Contrasted, Converse, Convert, Counter, Counterbalance, Counterbalancing, Counterpoint, Counterpoise, Debacle, Defeat, Descent, Differential, Difficulty, Disappointment, Disaster, Discomfiture, Discordant, Discrepant, Disenchantment, Dismantle, Down, Exchange, Facing, Flip, Foil, Frustration, Gear, Gearbox, Gearing, Heads, Heel, High, Hostile, Inconsistent, Inimical, Interchange, Intermediate, Introvert, Invalidate, Inverse, Invert, Inverted, Lapse, Lift, Low, Make, Mirror, Misadventure, Misfortune, Mishap, Modify, Negate, Neutral, Nullify, Tailpiece, Tails, Throwback, Transfer, Transform, Transmission, Transpose, Trouble, Turn, Turnabout, Turnaround, Underside, Undo, Upset, Vacate, Veto, Vicissitude, Void, Waive, Washout, Withdraw, Abandon, Abolish, Abrogate, Adverse, Adversity, Afterthoughts, Alter, Annul, Antagonistic, Anti, Antipathetic, Antipodes, Antithesis, Antithetic, Antithetical, Antonym, Atavism, Back, Backing, Backpedal, Backsliding, Backtrack, Backup, Backward, Backwater, Bafflement, Balancing, Become, Behind, Breech, Cancel, Capsize, Catastrophe, Change, Check, Checkmate, Clashing, Obverse, Offset, Opposed, Opposing, Opposite, Oppositional, Overdrive, Override, Overrule, Overthrow, Overturn, Perverse, Polar, Posterior, Problem, Quash, Rack, Rear, Rearward, Rebuff, Recall, Recant, Recidivism, Reclamation, Reconversion, Reconvert, Recurrence, Regress, Regression, Rehabilitation, Reinstatement, Relapse, Render, Renege, Renewal, Renounce, Repeal, Repugnant, Repulse, Rescind, Restitution, Restoration, Retract, Retrograde, Return, Returning, Reversal, Reversing, Reversion, Revert, Reverting, Revoke, Revolve, Revulsion, Rotate, Rout, Setback, Shift, Stern, Suspend, Switch, Tail