13-letter words containing c, h, o, p, u, s
- photoacoustic — optoacoustic
- phyllocladous — having phylloclades.
- physoclistous — having the air bladder closed off from the mouth.
- poison sumach — an anacardiaceous swamp shrub, Rhus (or Toxicodendron) vernix of the southeastern US, that has greenish-white berries and causes an itching rash on contact with the skin
- polychotomous — divided into multiple parts
- porcupinefish — any of several fishes of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.
- postholocaust — following a holocaust
- prague school — a school of linguistics emphasizing structure, active in the 1920s and 1930s.
- pseudo-heroic — Also, heroical. of, relating to, or characteristic of a hero or heroine.
- psychosurgeon — a surgeon who specializes in psychosurgery
- psychosurgery — treatment of mental disorders by means of brain surgery.
- public school — (in the U.S.) a school that is maintained at public expense for the education of the children of a community or district and that constitutes a part of a system of free public education commonly including primary and secondary schools.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- she-crab soup — a thick, bisquelike soup made with the meat and eggs of the female crab.
- sphagnicolous — growing in moss
- stomach upset — a slight illness affecting your stomach and/or bowels characterized by nausea, vomiting and/or diarrhoea
- successorship — the position or state of a successor
- suffolk punch — a breed of draught horse with a chestnut coat and short legs
- thiosulphuric — of or relating to thiosulphuric acid or anything derived from it
- toxicophagous — poison-eating
- trachycarpous — having rough-skinned fruit.
- trichopterous — belonging or pertaining to the insect order Trichoptera, comprising the caddisflies.
- up to scratch — to break, mar, or mark the surface of by rubbing, scraping, or tearing with something sharp or rough: to scratch one's hand on a nail.