| A | B |
| uncal | Pertaining to the uncus (any hook-shaped structure; the medially curved anterior end of the parahippocampal gyrus). |
| ungual | Pertaining to the nails (fingernails and toenails). |
| lingual | Pertaining to or towards the tongue. |
| vertex | Summit or top; the top or crown of the head. |
| vortex | A whorled arrangement, design, or pattern as of muscle fibers, or of the ridges or hairs on the skin. |
| waist | The portion of the body between the thorax and the hips; a part resembling the human waist especially in narrowness or central position. |
| waste | Gradual loss, decay, or diminution of bulk; damaged, defective, or superfluous material; refuse. |
| xanax | A drug used as a muscle relaxant and for anxiety disorders. |
| zantac | A drug used in the treatment of ulcers. |