1. Combination for an evil purpose or to commit a crime, particularly some act of treason in concert; a plot; concurrence; an agreement between two or more persons falsely and maliciously to indict an innocent person for alleged felony.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• conspieracy,
• conspirary,
• conspericy,
• conspiresy,
• conspriracy,
• conspirancy,
• conspiacry,
• concpirracy,
• conspearacy,
• conspiricy,
• consiricy,
• conspiray,
• conspircey,
• conspirecy,
• conscpiracy,
• conspirisy,
• conpiracy,
• conspirsy,
• conspircy,
• conspiary

• conspirator,
• Conspired,
• Conspiracies,
• conspires,
• conspire,
• conspecific,
• conspirative.

The adverb form of the word "conspiracy" is "conspiratorily". For example, "They whispered conspiratorily as they made their plans".

The adjective form of "conspiracy" is "conspiratorial".

The plural of the "conspiracy" can be the "conspiracies".

The singular of the "conspiracy" can be the "conspiracy".