12-letter words containing b, i, g, o, t, r
- thirdborough — an under constable of a township
- timbrologist — a stamp-collector
- tribological — relating to tribology
- triple bogey — a score of three strokes over par on a hole.
- turbo engine — an engine containing a turbocharger
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- urbanologist — a sociologist specializing in urban life and problems