sling·back or sling-back 
(slĭngbăk′)
(slĭngbăk′)n.
A shoe with a strap that wraps around the back of the heel.
slingback- controversy
- controvert
- controvertible
- contumacious
- contumaciously
- contumaciousness
- contumacy
- contumelious
- contumeliously
- contumely
- contuse
- contusion
- conundrum
- conurbation
- conus arteriosus
- convalesce
- convalescence
- convalescent
- convect
- convection
- convectional
- convection oven
- convection zone
- convective
- convectively