Cristendom

Etymology
From ; equivalent to.

Proper noun

 * 1) Christian belief; faith in Jesus Christ.
 * 2) baptism; the induction of someone into the Christian faith.
 * 3) The nations of the world that have a Christian ruler or government.
 * 4) The whole of the Christian people; Christendom.
 * 5) Christianity; the practice of believing in Christ.
 * 6) The Christian ecclesiastical structure
 * 7) The customs and habits of Christians and Christianity.