16-letter words containing r, i, b, o
- virginia tobacco — a type of flue-cured tobacco grown originally in Virginia
- warminster broom — a European shrub, Cytisus praecox, of the legume family, having yellowish-white or yellow, pealike flowers.
- wheelchair-bound — unable to walk through injury, illness, etc and relying on a wheelchair to move around
- white-haired boy — a favourite; darling
- william bradford — Gamaliel, 1863–1932, U.S. biographer and novelist.
- wilson's warbler — a North American warbler, Wilsonia pusilla, having yellow plumage and a black patch on top of the head.
- woodland caribou — a variety of caribou inhabiting the bogs and forests of eastern Canada, having large, palmate antlers.
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty
- write home about — a house, apartment, or other shelter that is the usual residence of a person, family, or household.
- xaverian brother — a member of a congregation of Roman Catholic laymen bound by simple vows and dedicated to education.