18-letter words containing c, h, e, k, r
- turk's-head cactus — a cactus, Melocactus communis, of Jamaica, having needlelike spines and a cylindrical body with a tawny-red, fezlike terminal part bearing red flowers.
- under the jackboot — If a country or group of people is under the jackboot, they are suffering because the government is cruel and undemocratic.
- vermilion rockfish — a scarlet-red rockfish, Sebastes miniatus, inhabiting waters along the Pacific coast of North America, important as a food fish.
- wernicke's aphasia — a type of aphasia caused by a lesion in Wernicke's area of the brain and characterized by grammatical but more or less meaningless speech and an apparent inability to comprehend speech.
- whittaker chambers — Robert, 1802–71, Scottish publisher and editor.
- yelloweye rockfish — a red rockfish, Sebastes ruberrimus, of waters along the Pacific coast of North America, having eyes that are yellow and possessed of strong, sawlike bony ridges on the head.