in·sid·er 
(ĭn-sīdər)
(ĭn-sīdər)n.
1. An accepted member of a group.
2. One who has special knowledge or access to confidential information.
- superstardom
- superstation
- superstition
- superstitious
- superstitiously
- superstitiousness
- superstore
- superstratal
- superstrate
- superstratum
- superstring
- colonoscope
- colonoscopy
- colony
- colony collapse disorder
- colony-stimulating factor
- colophon
- Colophon
- colophony
- color
- colorability
- colorable
- colorably
- Coloradan
- Colorado