Christianology [Christian, Greek word Χριστιανός (christianos) meaning "follower of Christ"; from Χριστός (christos) meaning "anointed one" + -logy, λόγος (logia) meaning "study of"] Commonly referring to the Christian theological study of Christians, that is, the study of the nature and person of a Christian.
Normally a misspelling, referring to Christology, the Christian theological study of the nature and person of Jesus Christ.