1. Have not

Encyclopedia: Haven't

• most
• most especially
• most importantly
• most significant bit
• most valuable player
• most-favored-nation
• most-favoured-nation
• most-valuable
• mostaccioli
• mostly
• Mosul
• mot
• mot juste
• MOT test
• Motacilla
• Motacillidae
• mote
• motel
• motel room
• motet
• moth
• moth bean
• moth miller
• moth mullein
• moth orchid