12-letter words containing a, b, n, d, o
- serial bonds — Serial bonds are bonds that are issued at the same time but have staggered maturity dates.
- shadow bands — slow-moving waves of light and dark observed to move across light-coloured surfaces on the earth just before and after totality in a solar eclipse. They are thought to originate from the effects of irregular atmospheric refraction
- signal board — a board for displaying electrically transmitted signals and indicating their source.
- snowboarding — a board for gliding on snow, resembling a wide ski, to which both feet are secured and that one rides in an upright position.
- speedboating — the act, practice, or sport of traveling in a speedboat.
- spiral-bound — having a spiral binding.
- subabdominal — below or beneath the abdomen
- subarachnoid — of, relating to, or situated below the arachnoid membrane.
- subdeaconate — subdiaconate.
- subdiaconate — the office or dignity of a subdeacon.
- subordinated — placed in or belonging to a lower order or rank.
- subordinator — a conjunction introducing a subordinate clause, as when in They were glad when I finished.
- support band — a band, pop group, rock group, etc not topping the bill
- surfboarding — a long, narrow board on which a person stands or lies prone in surfboarding.
- technobandit — a person who steals technological secrets, as from the government or a place of employment, and sells them to agents of foreign governments or to competing firms.
- tombstone ad — a boxed advertisement without artwork or illustrations, especially one announcing an issue of a stock or bond.
- tongue-blade — a broad, thin piece of wood used by doctors to hold down the patient's tongue during an examination of the mouth and throat.
- tornado belt — the part of the U.S. in which tornadoes occur most frequently, roughly the area within a 500-mile (805-km) radius of southern Missouri.
- unaffordable — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- unelaborated — not elaborated
- unformidable — causing fear, apprehension, or dread: a formidable opponent.
- unmodifiable — incapable of being modified
- unobfuscated — to confuse, bewilder, or stupefy.
- unoffendable — to err in conduct; commit a sin, crime, or fault.
- unpardonable — kind indulgence, as in forgiveness of an offense or discourtesy or in tolerance of a distraction or inconvenience: I beg your pardon, but which way is Spruce Street?
- unpardonably — in a manner that is not excusable; disgracefully
- unrecordable — to set down in writing or the like, as for the purpose of preserving evidence.
- unshadowable — not able to be shadowed
- up and about — to, toward, or in a more elevated position: to climb up to the top of a ladder.
- wakeboarding — (sports) A water sport where a rider on a small board is towed by a motor boat, and attached by a cable.
- weatherbound — (often nautical) Delayed or prevented by bad weather from doing something, such as travelling.
- window board — a thin board serving as a stool of a window.
- younghusband — Sir Francis Edward. 1863–1942, British explorer, mainly of N India and Tibet. He used military force to compel the Dalai Lama to sign (1904) a trade agreement with Britain
- zalambdodont — (zoology) Having teeth with two ridges that meet at an angle, forming the letter lambda.