evilness (n.)

• badness
• baseness
• devilry
• deviltry
• foulness
• heinousness
• improperness
• inaccuracy
• inauspiciousness
• inexpedience
• inferiority
• invalidity
• malevolence
• naughtiness
• nefariousness
• rankness
• reprehensibility
• sinfulness
• unfavorableness
• unhealthiness
• unkindness
• unpleasantness
• unskillfulness
• viciousness
• vileness
• villainousness
• wickedness