cotillion /ko-tilˈyən/ or cotillon /ko-tēˈyɔ̃/

1. A type of lively dance with varied steps
2. A formal (esp a coming-out) ball (N American)

• obeisance
• obeisances
• obeisant
• obeism
• obeisms
• obeli
• obelia
• obelion
• obeliscal
• obeliscoid
• obelise
• obelised
• obelises
• obelising
• obelisk
• obelisks
• obelize
• obelized
• obelizes
• obelizing
• obelus
• Oberon
• obese
• obeseness
• obesenesses