letter X in note shape

xylophone, xenon, xerox, xenial, xylem, xenophobia, x-axis, x-ray, xenolith, xanthic, xenograft, xerophyte, xenobiotic, xylitol, xenogenesis, xylograph, xenonlight, xenotropic, xyst, xylocarp, xeric, xeniality, xenoliths, xenonlamp, xylophonekey, xenogamy, xenonbulb, xylose, xenium, xerothermic, xylidine, xenodiagnosis, xenolithology, xanthophyll, xenotropicvirus, xenobiology, xenophile, xenogeny, xanthoma