15-letter words containing s, h, i, l, a
- track athletics — sporting activities, such as relay running or sprinting, which take place on a running track
- training school — a school that provides training in some art, profession, or vocation.
- training wheels — a pair of small wheels attached one on each side of the rear wheel of a bicycle for stability while one is learning to ride.
- trans-himalayan — the, a mountain range extending about 1500 miles (2400 km) along the border between India and Tibet. Highest peak, Mt. Everest, 29,028 feet (8848 meters).
- transhistorical — occurring throughout all human history
- unaesthetically — offensive to the aesthetic sense; lacking in beauty or sensory appeal; unpleasant, as an object, design, arrangement, etc.: an unaesthetic combination of colors.
- unapprehensible — not able to be understood or comprehended
- unchristianlike — not like a Christian; not in accordance with Christian teaching and values
- universal chuck — a chuck, as on a lathe headstock, having three stepped jaws moving simultaneously for precise centering of a workpiece of any of a wide range of sizes.
- unphilosophical — not adhering to philosophical theory or principles
- venetian school — any of various groups of artists identified with Venice throughout the history of Italian art but most notably the painters of the 18th century, as Giovanni Battista Tiepolo, Francesco Guardi, and Antonio Canaletto.
- walking catfish — an Asian catfish, Clarias batrachus, that can survive out of water and move overland from one body of water to another: introduced into Florida.
- walpurgis night — (especially in medieval German folklore) the evening preceding the feast day of St. Walpurgis, when witches congregated, especially on the Brocken.
- washing-up bowl — plastic bowl used for washing dishes
- washington lily — a lily, Lilium washingtonianum, of the western coast of the U.S., having whorled leaves and fragrant, purple-spotted white flowers.
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- westphalian ham — a hard German ham with a distinctive flavor derived from being smoked over beechwood and juniper.
- whaling station — a place where the carcases of whales were processed
- whatshumacallit — Alternative form of whatchamacallit.
- wheelchair user — a person who is unable to walk through injury, illness, etc and relies on a wheelchair to move around
- whiplash injury — the lash of a whip.
- winter holidays — a period of rest from work or studies taken in winter
- withdrawal slip — a small paper form which has to be filled in before making a withdrawal of money from a bank, building society, etc
- wrestling match — sport: contention by grappling opponent
- yellow goatfish — a schooling goatfish, Mulloidichthys martinicus, inhabiting the Atlantic Ocean from Florida to Panama.
- yin-yang school — a school of ancient Chinese philosophers who interpreted history in terms of the influence of the seasons and of five elements: earth, wood, metal, fire, and water.
- yorkshire dales — the valleys of the rivers flowing from the Pennines in W Yorkshire: chiefly Ribblesdale, Swaledale, Nidderdale, Wharfedale, and Wensleydale; tourist area