15-letter words containing r, i, b, o, n, y
- reconcilability — capable of being reconciled.
- right-hand buoy — a distinctive buoy marking the side of a channel regarded as the right, or starboard, side.
- roundaboutility — roundaboutness
- sepoy rebellion — the Indian Mutiny of 1857–58
- sons of liberty — any of several patriotic societies, originally secret, that opposed the Stamp Act and thereafter supported moves for American independence.
- spiny cocklebur — a cocklebur, Xanthium spinosum, introduced into North America from Europe.
- subsidiary coin — a coin, especially one made of silver, having a value less than that of the monetary unit.
- substitutionary — a person or thing acting or serving in place of another.
- unaffordability — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- uncopyrightable — not able to be copyrighted
- urban sociology — the sociological study of cities and their role in the development of society.