Middle East 
An extensive area of SW Asia and northern Africa, stretching from the Mediterranean to Pakistan and including the Arabian peninsula.
- extemporise
- extemporization
- extemporize
- extend
- extendability
- extendable
- extended
- extended family
- extended-play
- extender
- extendibility
- extendible
- extensibility
- extensible
- extensile
- extension
- extensional
- extension cord
- extension ladder
- extension lead
- extension tube
- extensive
- extensively
- extensiveness
- extensometer