down·spin 
(dounspĭn′)
(dounspĭn′)n.
An extremely swift, acute downturn, as in market activity.
- destructibility
- destructible
- destructibleness
- destruction
- destructionist
- destructive
- destructive distillation
- destructive interference
- destructively
- destructiveness
- destructivity
- destructor
- desuetude
- desulfurization
- desulfurize
- desultorily
- desultoriness
- desultory
- desvenlafaxine
- detach
- detachability
- detachable
- detachably
- detached
- detachedly