18-letter words containing r, o, b, h, e, l
- schofield barracks — a town on central Oahu, in central Hawaii.
- september holidays — a period of time in September when people do not have to go to school, college or work
- shrubby cinquefoil — a small shrub, Potentilla fruticosa, of the rose family, native to the Northern temperate region, having pinnate leaves and numerous, showy, bright-yellow flowers.
- sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
- the bird has flown — the person in question has fled or escaped
- thermonuclear bomb — hydrogen bomb.
- three-body problem — the problem of calculating the motions of three bodies in space moving under the influence of only their mutual gravitational attraction.
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.