• x-ray ey,
• x-ray eye,
• zray eye,
• cray eye,
• dray eye,
• sray eye,
• xeay eye,
• xday eye,
• xfay eye,
• xtay eye,
• x5ay eye,
• x4ay eye,
• xrzy eye,
• xrsy eye,
• xrwy eye,
• xrqy eye,
• xrat eye,
• xrag eye,
• xrah eye,
• xrau eye

The plural form of "xray eye" is "xray eyes"

The singular form of the word "xray eye" is "xray eye" itself. This is because "xray eye" is already a singular form, implying a single eye with the ability to see through things like an x-ray.