13-letter words containing o, s, n, a, b, u
- subsidization — to furnish or aid with a subsidy.
- subterraneous — existing, situated, or operating below the surface of the earth; underground.
- tablespoonful — the amount a tablespoon can hold.
- transboundary — something that indicates bounds or limits; a limiting or bounding line.
- treasury bond — any of various interest-bearing bonds issued by the U.S. Treasury Department, usually maturing over a long period of time.
- un-personable — of pleasing personal appearance; handsome or comely; attractive.
- unambiguously — plainly, clearly
- unambitiously — in an unambitious manner
- uncontestable — a race, conflict, or other competition between rivals, as for a prize.
- unconversable — inappropriate for conversation
- undiagnosable — unable to be diagnosed
- unfashionable — observant of or conforming to the fashion; stylish: a fashionable young woman.
- unfashionably — in an unfashionable manner
- unforeseeable — to have prescience of; to know in advance; foreknow.
- unforeseeably — to have prescience of; to know in advance; foreknow.
- unmetabolised — not metabolised
- unpostponable — to put off to a later time; defer: He has postponed his departure until tomorrow.
- unsmotherable — unquenchable
- unsupportable — capable of being supported; endurable; maintainable.