octingenary /ok-tin-jēˈnə-ri/ or octingentenary /-jen-tēˈnə-ri/

An eight-hundredth anniversary

• bullbat
• bullbats
• bull-beef
• bull-beeves
• bull-beggar
• bull-beggars
• bull-board
• bull-calf
• bull-calves
• bull-dance
• bull-dances
• bull dike
• bulldog
• bulldog ant
• bulldog ants
• bulldogged
• bulldogging
• bulldogs
• bulldoze
• bulldozed
• bulldozer
• bulldozers
• bulldozes
• bulldozing
• bulldust