catabasis /kə-tabˈə-sis/

1. A downward movement
2. The decline of a disease in a population

• siderostat
• siderostats
• siders
• sides
• sidesaddle
• sidesaddle flower
• sidesaddle flowers
• sidesaddles
• sideshoot
• sideshoots
• sideshow
• sideshows
• sideslip
• sideslipped
• sideslipping
• sideslips
• sidesman
• sidesmen
• side-splitting
• sidestep
• sidestepped
• sidestepper
• sidesteppers
• sidestepping
• sidesteps