1. Having twelve sides

See also: many-sided, multilateral

• conciliator
• conciliatory
• concinnity
• concise
• concisely
• conciseness
• concision
• conclave
• conclude
• concluded
• concluding
• conclusion
• conclusion of law
• conclusive
• conclusively
• conclusiveness
• conclusory
• concoct
• concoction
• concomitance
• concomitant
• concomitantly
• concord
• Concord grape
• concordance