head·note 
(hĕdnōt′)
(hĕdnōt′)n.
A note placed at the beginning of a chapter, a page, or a document such as a report, that provides brief explanatory information.
- superfine
- superfineness
- superfluid
- superfluidity
- superfluity
- superfluous
- superfluously
- superfluousness
- super flyweight
- super G
- supergalaxy
- supergene
- supergiant
- super giant slalom
- supergraphics
- supergravity
- supergun
- superheat
- superheater
- superhelical
- superhelically
- superhelix
- superhero
- superheterodyne
- superhigh frequency