18-letter words containing f, a, s, h, i, o
- school certificate — (in England and Wales between 1917 and 1951 and currently in New Zealand) a certificate awarded to school pupils who pass a public examination: the equivalent of GCSE
- scottish blackface — a common breed of hardy mountain sheep having horns and a black face, kept chiefly on the mainland of Scotland
- sign of the zodiac — one of the twelve constellations along the path of the ecliptic.
- sit at the feet of — to be an admiring disciple of
- sodium thiosulfate — a white, crystalline, water-soluble powder, Na 2 S 2 O 3 ⋅5H 2 O, used as a bleach and in photography as a fixing agent.
- soft touch sealing — Soft touch sealing is a copolymer seal for a tank, with characteristics designed for softness, used instead of a metal seal to help avoid fire when sparks are generated.
- solid-fuel heating — heating that uses solid fuel, such as coal or coke
- state of the union — A State of the Union speech or address is a speech, given once a year, in which the president of the United States talks about the current political issues that affect the country as a whole and about his plans for the year ahead.
- sutton-in-ashfield — a market town in N central England, in W Nottinghamshire. Pop: 41 951 (2001)
- the bird has flown — the person in question has fled or escaped
- the final solution — the code name used by the Nazis to refer to the plan of mass murder of the Jews
- the first sea lord — the senior of the two serving naval officers who sits on the admiralty board of the Ministry of Defence
- thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
- to be said for sth — If you say there is a lot to be said for something, you mean you think it has a lot of good qualities or aspects.
- transmission shaft — a shaft that rotates transmitting motion from the engine to the differential gear
- under the aegis of — guided or protected by