What is the X in X-mas?

14

16

Scrabble
Words With Friends

- symbolang
- symbolic
- symbolic assembler program
- symbolic assembly
- symbolic automatic integrator
- symbolic code
- symbolic inference
- symbolic interactionism
- symbolic language
- symbolic link
- symbolic logic
- symbolic mathematical laboratory
- symbolic mathematics
- symbolic optimal assembly program
- symbolic optimum deuce assembly program
- symbolical books
- symbolics
- symbolics, inc.
- symbolise
- symbolism
- symbolist
- symbolist movement
- symbolization
- symbolize
- symbology
- symbols
- symbrachydactyly
- symington
- symlink
- symmachus
- symmetalism
- symmetallism
- symmetrel
- symmetric
- symmetric difference
- symmetric function
- symmetric group
- symmetric key cryptography
- symmetric lisp
- symmetric matrix
- symmetric multiprocessing
- symmetric multiprocessor
- symmetrical
- symmetrical gangrene
- symmetrize
- symmetry
- symmetry axis of rotary inversion
- symmetry axis of rotation
- symmetry class
- symmetry element
- symmetry plane