pen·tad 
(pĕntăd′)
(pĕntăd′)n.
A group of five.
[Greek pentas, pentad-, group of five, from pente, five; see penkwe in the Appendix of Indo-European roots.]
- Stephen Samuel
- Stephenson
- Stephen William
- step in
- step-in
- stepladder
- stepmother
- step on it
- step on someone's toes
- step on toes
- step out
- stepparent
- stepparenting
- steppe
- stepped-up
- stepper
- stepping-off place
- steppingstone
- step rocket
- stepsibling
- stepsister
- stepson
- step stool
- step/tread on (someone's) toes
- step turn