in·ter·re·gion·al 
(ĭn′tər-rējə-nəl)
(ĭn′tər-rējə-nəl)adj.
Of, involving, or connecting two or more regions: interregional migration; interregional banking.
- interminability
- interminable
- interminably
- intermingle
- intermission
- intermit
- intermittence
- intermittent
- intermittent claudication
- intermittent current
- intermittently
- intermitter
- intermix
- intermodal
- intermodulation
- intermontane
- intermountain
- in terms of
- intern
- internal
- internal-combustion engine
- internal ear
- internal energy
- internality
- internalization