Khy·ber Pass 
(kībər)
(kībər) A narrow mountain pass on the border between eastern Afghanistan and northern Pakistan. It has long been a strategic trade and invasion route. The highest point of the pass is about 1,070 m (3,510 ft).
- inefficiency
- inefficient
- inefficiently
- in effigy
- inegalitarian
- inelastic
- inelastic collision
- inelasticity
- inelastic scattering
- inelegance
- inelegant
- inelegantly
- ineligibility
- ineligible
- ineligibly
- ineloquence
- ineloquent
- ineloquently
- ineluctability
- ineluctable
- ineluctably
- inept
- ineptitude
- ineptly
- ineptness