Xan·a·du 
(zănə-d′, -dy′)
(zănə-d′, -dy′)n.
An idyllic, beautiful place.
[From Xanadu, archaic English name for Kublai Khan's summer capital in Inner Mongolia (described in the poem "Kubla Khan" by Samuel Taylor Coleridge as a place of great marvels), ultimately from early Mandarin ʂaŋ` tū (equivalent to Modern Mandarin Shàngdū : shàng, upper + dū, capital).]
- interruptive
- interscholastic
- interscholastically
- inter se
- intersect
- intersection
- intersectionality
- intersession
- intersessional
- intersex
- intersexual
- intersexuality
- intersexually
- interspace
- interspatial
- interspecies
- interspecific
- intersperse
- interspersedly
- interspersion
- interstate
- interstellar
- interstellar medium
- interstice
- interstitial