de·cod·er 
(dē-kōdər)
(dē-kōdər)n.
1. One that decodes.
2. A device that decodes a scrambled electronic signal to make it interpretable.
- expenditure
- expense
- 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