DINK or dink 
(dĭngk)
(dĭngk)n.
A member of a couple who both hold jobs and have no children.
[D(ual) I(ncome) N(o) K(ids).]
- supersedure
- supersensible
- supersensibly
- supersession
- supersize
- supersonic
- supersonically
- supersonics
- supersonic transport
- superspecies
- superstar
- superstardom
- superstation
- superstition
- superstitious
- superstitiously
- superstitiousness
- superstore
- superstratal
- superstrate
- superstratum
- superstring
- colonoscope
- colonoscopy
- colony