xeno-, xen-, -xenic, -xenism, -xenist, -xenous, -xeny

(Greek: foreign, foreigner; alien; different; extraneous; strange, stranger; and by extension, guest)

The "x" in xeno- is pronounced "z"; "zeno". Greeks are said to have considered any stranger a "guest" and modern Greek includes xenodocheion a "guest house" or "house for guests" or its modern version of "hotel".

The etymological meaning usually denotes some aspect of a relationship involving guests or visitors of some kind.

xenodiagnosis
xenodocheionology
xenodochial
Given to receiving strangers; hospitable.
xenodochiophobia (s) (noun), xenodochiophobias (pl)
An irrational animosity of foreign hotels: Xenodochiophobias may include a dread that there won't be soap, proper toilet paper, clean towels, etc. while traveling and staying in such a place.
xenodochium
A house of reception for strangers and pilgrims; a hotel, guest-house, especially in a monastery.
xenodochy
Entertainment of strangers; hospitality.
Xenodusa
xenoecic
xenoecy
xenoepist
Someone who speaks with a foreign accent.
xenogamous
xenogamy
Fertilization by pollen from another plant of the same species; cross-fertilization.
xenogamy, xenogamous
In botany, fertilization by pollen from another plant of the same species; cross-fertilization.
xenogenesis, xenogenetic, xenogenic
A supposed production of offspring permanently unlike the parent; also heterogenesis.
xenogenous

Related "foreign, strange" word families: allotrio-; barbar-.