13-letter words containing s, t, o, p, l
- transportedly — in a passionate or rapturous manner
- triploblastic — having three primary germ layers, as the embryos of vertebrates.
- tropical fish — any of numerous small, usually brightly colored fishes, indigenous to the tropics, and often kept and bred in home aquariums.
- trous-de-loup — a conical or pyramidal pit with a pointed stake fixed vertically in the center, rows of which are dug in front of a fortification to hinder an enemy's approach, formerly used chiefly against cavalry.
- tympanoplasty — reconstruction of the eardrum and the bones of the middle ear.
- uncomplaisant — not eager to please; not compliant or obliging
- unpostponable — to put off to a later time; defer: He has postponed his departure until tomorrow.
- unsupportable — capable of being supported; endurable; maintainable.
- unsupportedly — in an unsupported fashion, without support
- unupholstered — to provide (chairs, sofas, etc.) with coverings, cushions, stuffing, springs, etc.
- uprighteously — in an upright or moral manner
- volute spring — a coil spring, conical in shape, extending in the direction of the axis of the coil.
- wafflestomper — a shoe with a thick sole resembling a waffle
- walter piston — Walter, 1894–1976, U.S. composer.
- xiphiplastron — the fourth lateral plate of a turtle's plastron
- yol computers — (company) A company in London, UK that sells computer and network systems, established in 2001.