There is a total of 169 clues beginning with x-
- X-ray picture
- X-ray protection garment
- X-ray relative
- X-ray relatives
- X-ray shield
- X-ray shielding
- X-ray spec
- X-ray spec?
- X-ray specs?
- X-ray stopper
- X-ray subject
- X-ray supplement
- X-ray targets
- X-ray technique
- X-ray tube parts
- X-ray type
- X-ray unit
- X-ray units
- X-ray view
- X-ray vision and flight, eg
- X-ray vision and others
- X-ray vision blocker
- X-ray vision can't penetrate it
- X-ray vision deterrent
- X-ray vision stopper
- X-ray vision thwarter
- X-ray vision, eg
- X-Ray Wilhelm
- X-ray __
- X-Ray __ (gag glasses)
- X-Ray __: UK punk band
- X-ray ___
- X-ray ___ (gag gift)
- X-Ray ___ (gag glasses)
- X-ray ___ (kids' goggles)
- X-ray ___ (novelty goggles)
- X-ray ___ (novelty item)
- X-ray ___ (product advertised in the back of a comic book)
- X-ray ___, joke shop offering
- X-ray's cousin
- X-ray's noisier relative
- X-ray, eg
- X-ray, for example
- X-ray, perhaps
- X-ray, say
- X-ray, Yankee, __
- X-rayed, eg
- X-raying unit
- X-shaped cross
- X-shaped tools
- X-shaped warning sign next to railroad tracks
- X-to-G transformer?
- X-Wife song from "Rockin' Rio"
- X-Wing-flying droid
- X-X-X part
- X-__ (took a radiograph)
- X-__ Hands (soldering aid with alligator clips)
- X-__: tool brand
- X-___
- X-___ ("Dark Phoenix" heroes)
- X-___ (big, in commercial names)
- X-___ (large, in commercial names)
- X-___ (took a radiograph)
- X-___ (villains in the video game Paper Mario)
- X-___ large
- X-___ machine
- X-___ movie
- X-___ vision
- X-_____