catabasis /kə-tabˈə-sis/

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

• effiercing
• effigies
• effigurate
• effiguration
• effigurations
• effigy
• effing and blinding
• effleurage
• effleurages
• effloresce
• effloresced
• efflorescence
• efflorescences
• efflorescent
• effloresces
• efflorescing
• effluence
• effluences
• effluent
• effluents
• effluvia
• effluvial
• effluvium
• efflux
• effluxes