11-letter words containing a, b, u, y
- quotability — The degree to which a person, literature, or a speech is useful or relevant for being quoted.
- reusability — reuse
- rhesus baby — a baby suffering from haemolytic disease at birth as its red blood cells (which are Rh positive) have been attacked in the womb by antibodies from its Rh negative mother
- rock beauty — a gold and black butterflyfish, Holocanthus tricolor, ranging from the West Indies to Brazil.
- rome beauty — a large, red variety of apple, used chiefly for baking.
- rotary club — a local club of business and professional men that is a member of a world-wide organization of similar clubs (Rotary International) devoted to serving the community and promoting world peace.
- royal burgh — (in Scotland) a burgh that was established by a royal charter granted directly by the sovereign
- runnability — to move with haste; act quickly: Run upstairs and get the iodine.
- sauce bercy — Bercy.
- shaftesbury — Anthony Ashley Cooper, 1st Earl of, 1621–83, English statesman.
- sibuyan sea — a sea in the Philippines S of Luzon and E of Mindanao: site of U.S.-Japan naval battle 1944.
- sub-company — subsidiary company.
- subaerially — in a subaerial manner
- subassembly — a structural assembly, as of electronic or machine parts, forming part of a larger assembly.
- subaxillary — situated or placed beneath an axil.
- subcategory — a subordinate category or a division of a category.
- subclassify — to arrange in subclasses.
- subcontrary — one of two propositions that can both be true but cannot both be false.
- subdeaconry — the position or office of a subdeacon
- subdermally — in, located, or placed in a subdermal manner
- sublethally — in a sublethal manner
- subliteracy — below average literacy
- subliterary — not intended as literature
- subordinacy — a subordinate person or thing.
- subordinary — any of several heraldic bearings of secondary importance to the ordinary, such as the lozenge, the orle, and the fret
- subtreasury — a subordinate or branch treasury.
- suitability — such as to suit; appropriate; fitting; becoming.
- summability — the quality of being summable
- sunday baby — an illegitimate child.
- sunday best — Sunday clothes.
- sustainably — in a way that allows for continual use of a natural resource without depleting it or causing environmental damage: sustainably grown coffee.
- swamp buggy — an amphibious vehicle for use in and around swamps, typically having an automobile engine, four-wheel drive, large wheels with deep treads, and a raised chassis.
- syllabarium — syllabary.
- thrasybulus — died c389 b.c, Athenian patriot and general.
- thunder bay — a port in W Ontario, in S Canada, on Lake Superior: created in 1970 by the merger of twin cities (Fort William and Port Arthur) and two adjoining townships.
- trypan blue — dye used for staining cells in biological research
- tuba player — someone who plays the tuba, a valved brass instrument of bass pitch, in which the bell points upwards and the mouthpiece projects at right angles
- unabashedly — not ashamed, disconcerted, or apologetic; boldly certain of one's position.
- unabatingly — to reduce in amount, degree, intensity, etc.; lessen; diminish: to abate a tax; to abate one's enthusiasm.
- unaccusably — in an unaccusable manner
- unadvisably — in an unadvisable manner
- unalienably — in an unalienable manner
- unalterably — not capable of being altered, changed, or modified.
- unarbitrary — subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision.
- unavailably — in an unavailable or inaccessible manner
- unavoidably — unable to be avoided; inevitable: an unavoidable delay.
- unbashfully — uncomfortably diffident and easily embarrassed; shy; timid.
- unblameably — in an unblameable fashion; blamelessly
- unbudgeably — in an unbudgeable or immovable fashion
- undebatably — in an undebatable manner