1. Much less
   - let alone, not to mention

1. It does not matter
   - no matter

Encyclopedia: Never mind

• paddle steamer
• paddle-box
• paddle-shaped
• paddle-wheeler
• paddlefish
• paddler
• paddlewheel
• paddling pool
• paddock
• paddy
• paddy field
• paddy wagon
• paddymelon
• pademelon
• Paderewski
• padlock
• padouk
• Padova
• padre
• padrone
• Padua
• paduasoy
• Paducah
• paean
• paederast