Crossword clues starting with X

15 clues and their answers, drawn from every daily puzzle tracked here.

• X __ (tic-tac-toe choices)ORO
• X __ xylophoneASIN
• X-like Greek letterCHI
• X-ray follow-up, perhapsCTSCAN
• X-ray measuresRADS
• X-ray specs?REMS
• X, Y, or Z introGEN
• Xander alternativeALEX
• Xavier's School for Gifted Youngsters attendeesMUTANTS
• Xbox alternativeWII
• Xenon, e.g.INERTGAS
• Xenon, for oneGAS
• Xerox rivalRICOH
• XXIII multipleMCL
• Xylophone toolMALLET