sur·base 
(sûrbās′)
(sûrbās′)n.
A molding or border above the base of a structure such as a baseboard.
- expense account
- expensive
- expensively
- expensiveness
- experience
- experienced
- experiencer
- experiential
- experientially
- experiment
- experimental
- experimentalism
- experimentalist
- experimentally
- experimentation
- experimenter
- experiment station
- expert
- expertise
- expertly
- expertness
- expert system
- expiable
- expiate
- expiation