Multiple Latin names for the letterX,x have been suggested. The most common areix orīx,ex, or asyllabicx, although there is some evidence which also supports, as names for the letter,xē andxə.
Arthur E. Gordon,The Letter Names of the Latin Alphabet (University of California Press, 1973; volume 9 ofUniversity of California Publications: Classical Studies), especially pages 30–31, 42–44, and 63