x
X chromosome
X I a kiss
X-axis
X-bit
X-bracing
X-engine
X-line
X-ray
X-ray photograph
X-ray picture
X-ray therapy
Xanthippe
xanthous
xc without coupon
xcp without coupon
xd without dividend
xdiv. without dividend
xebec
xenial
xenial customs
xenogamy
xenomania
xenon
xenophobia
xenophobic
Xerox
Xerxes
xiphoid
XL eXtra Large
Xmas Christmas
Xnty Christianity
XO eXecutive Officer
xpr without privileges
xr without rights
xw without warrants
xylanthrax
xylograph
xylography
xylonite
xylophone
xylose
xyster