•   x-files informants - x-files informants

•   x-men characters - x-men video games

•   x11 - x11

•   x86 - x86

•   x episodes - x episodes

•   x postal codes of canada - x postal codes of canada

•   x royal navy ships - x royal navy ships

•   x united states navy ships - x united states navy ships

•   xabungle - xabungle

•   xanth characters - xanthorrhoea

•   xbasic - xbasic

•   xbox games - xbox network games

•   xc racing - xc racing

•   xemacs - xemacs

•   xenocrates - xenotransplantation

•   xerophyta - xerxes

•   xfl - xfl

•   xhtml - xhtml

•   xiaolin showdown episodes - xiaolin showdown episodes

•   ximenia - ximenia

•   xinjiang alar - xinjiang-related topics

•   xlink - xlink

•   xm satellite radio channels - xm satellite radio channels

•   xml - xml schemas

•   xpath - xpath

•   xpcom - xpcom

•   xsl - xsl

•   xtc - xtc

•   xtras - xtras

•   xu xi - xu xi

•   xul - xul

•   xuxa - xuxa

•   xxx - xxxholic

•   xystus - xystus