10-letter words that end in as
- seven seas — the oceans of the world considered as the N and S Pacific, the N and S Atlantic, and the Arctic, Antarctic, and Indian Oceans
- sewage gas — gas given off in the digestion of sewage consisting of approximately 66 per cent methane and 34 per cent carbon dioxide
- sicklemias — the usually asymptomatic hereditary condition that occurs when a person inherits from only one parent the abnormal hemoglobin gene characteristic of sickle cell anemia.
- so long as — having considerable linear extent in space: a long distance; a long handle.
- so much as — in the way or manner indicated, described, or implied: Do it so.
- south seas — the seas south of the equator
- split peas — peas that are dried and split and used in soups, pease pudding, or as a vegetable
- springhaas — a leaping and burrowing rodent, Pedetes capensis, native to southern Africa, having kangaroolike legs and long, pointed ears.
- st. thomas — Saint Thomas ("the Angelic Doctor") 1225?–74, Italian scholastic philosopher: a major theologian of the Roman Catholic Church.
- tamaulipas — a state in NE Mexico, bordering on the Gulf of Mexico. 30,731 sq. mi. (79,595 sq. km). Capital: Ciudad Victoria.
- the canvas — the floor of a boxing or wrestling ring
- the pampas — vast plain of S South America, extending from the Atlantic across central Argentina to the Andes
- white lias — a type of rock composed of pale-coloured limestones and marls
- yurimaguas — a city in N Peru.