13-letter words containing u, b, e, r, t, y
- superlobbyist — someone who lobbies on behalf of another
- supersubtlety — the quality of being extremely subtle
- treasury bill — an obligation of the U.S. government represented by promissory notes in denominations ranging from $1000 to $1,000,000, with a maturity of about 90 days but bearing no interest, and sold periodically at a discount on the market.
- treasury bond — any of various interest-bearing bonds issued by the U.S. Treasury Department, usually maturing over a long period of time.
- tubeless tyre — a pneumatic tyre in which the outer casing makes an airtight seal with the rim of the wheel so that an inner tube is unnecessary
- undisturbedly — in an undisturbed manner
- unforgettably — impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.
- unobtrusively — not obtrusive; inconspicuous, unassertive, or reticent.
- unpredictably — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unregrettably — causing or deserving regret; unfortunate; deplorable.
- unreliability — not reliable; not to be relied or depended on.
- untremblingly — not tremblingly; in an untrembling manner; without trembling
- vitreous body — a transparent gelatinous substance, permeated by fine fibrils, that fills the interior of the eyeball between the lens and the retina
- vulnerability — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
- x-ray burster — a celestial source from which bursts of x-rays are received.
- yekaterinburg — Ekaterinburg.