6. The “X” in “Xmas” doesn’t take “Christ” out of “Christmas. Xmas is a common abbreviation of the word Christmas, however, some people think that this spelling is not right, because it takes the “Christ” out of Christmas. Don’t worry, no one is taking the “Christ” anywhere. In the Greek alphabet, the letter X (“chi”) is the first letter of the Greek word for Christ or Christos.