• x-linked dominant inheritance
• x-linked gene
• x-linked recessive inheritance
• X-linked Scid
• X-MIBA
• X-MOS
• X-MP
• X-MULV
• X-OFF
• x-ograph
• X-ON
• X-ON/X-OFF
• x-or circuit

• x-out
• x-outed
• x-outing
• x-outs
• X-PEEM
• X-POL
• X-R
• X-rated
• x-rated material
• x-rated materials
• x-rated movie
• x-rated movies
• x-rating

• x-ratings
• x-ray
• x-ray dermatitis
• x-ray eye
• x-ray eyen
• x-ray eyes
• x-ray eyne
• x-ray image
• x-ray images
• x-ray machine
• x-ray photograph
• x-ray photography
• X-ray photometry