mumbo-jumbo /mum-bō-jumˈbō/

1. Empty or- foolish ritual
2. Baffling jargon, professional gobbledegook
3. (with cap) a god or bugbear of W Africa
4. Any object of foolish worship or fear

• rivercraft
• rivercrafts
• river dolphin
• river dolphins
• river-dragon
• river-dragons
• river drift
• river drifts
• river-driver
• river-drivers
• rivered
• riveret
• riverets
• river flat
• riverfront
• riverfronts
• river god
• river gods
• river head
• river heads
• river-hog
• river-hogs
• river horse
• river horses
• riverine