summate /sumˈāt/

To add together

• Messieurs
• messily
• messiness
• messinesses
• messing
• mess jacket
• mess jackets
• Mess-John
• mess kit
• mess kits
• messmate
• messmates
• mess of pottage
• mess or mell
• mess-room
• mess-rooms
• Messrs
• mess-tin
• mess-tins
• messuage
• messuages
• mess up
• mess-up
• mess-ups
• messy