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)

• nulli secundus
• nullities
• nullity
• null-modem cable
• null-modem cables
• nullness
• nullnesses
• nulls
• num.
• NUM
• Num.
• NUMAST
• numb
• Numb.
• numbat
• numbats
• numbed
• number
• number-cruncher
• number-crunching
• numbered
• numbered account
• numbered accounts
• number eight
• number eights