18-letter words containing b, i, g, o, t, r
- sir george gilbert — Barbara Ann, 1928–2012, Canadian figure skater.
- supraorbital ridge — browridge.
- tip of the iceberg — a large floating mass of ice, detached from a glacier and carried out to sea.
- transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
- treaty obligations — obligations or duties that must be carried out by a party as according to a treaty they have entered into
- urban homesteading — homesteading (def 2).
- westinghouse brake — a railroad air brake operated by compressed air.
- wingback formation — single wingback formation.
- wood-burning stove — cooker: fueled by wood