18-letter words containing p, e, r, n, d, i
- service department — a repair shop
- sharp-shinned hawk — a North American hawk, Accipiter striatus, having extremely slender legs, a bluish-gray back, and a white, rusty-barred breast.
- solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- spread one's wings — to make full use of one's abilities
- summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
- threatened species — a species likely, in the near future, to become an endangered species within all or much of its range.
- to speak your mind — If you speak your mind, you say firmly and honestly what you think about a situation, even if this may offend or upset people.
- traditional weapon — a weapon having ceremonial tribal significance, such as an assegai or knobkerrie
- transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
- under-compensation — to compensate or pay less than is fair, customary, or expected.
- under-depreciation — decrease in value due to wear and tear, decay, decline in price, etc.
- vermiform appendix — a narrow, blind tube protruding from the cecum, having no known useful function, in humans being 3 to 4 inches (8 to 10 cm) long and situated in the lower right-hand part of the abdomen.
- wild passionflower — the maypop, Passiflora incarnata.