Um·bri·a 
(ŭmbrē-ə, mbrē-ä)
(ŭmbrē-ə, mbrē-ä) A region of central Italy in the Apennines. Occupied by the Umbrians in ancient times, it later fell to the Etruscans and then the Romans (c. 300 BC). After passing to various powers, Umbria came under the control of the papacy in the 1500s and joined the kingdom of Sardinia in 1860.
- interurban
- interval
- intervale
- intervalic
- intervallic
- intervene
- intervener
- intervenor
- intervention
- interventional
- interventionism
- interventionist
- intervertebral
- intervertebral disc
- intervertebral disk
- intervertebrally
- interview
- interviewable
- interviewee
- interviewer
- inter vivos
- intervocalic
- interweave
- intestacy
- intestate