bimillennium /bī-mi-lenˈi-əm/

• Cowper's glands
• cow-pilot
• cow-pilots
• cowping
• cow-plant
• cow-plants
• cowpoke
• cowpokes
• cowpox
• cowpoxes
• cowps
• cowpuncher
• cowpunchers
• cowrie
• cowrie-pine
• cowries
• co-write
• co-writer
• co-writers
• co-writes
• co-writing
• co-written
• co-wrote
• cowry
• cows