18-letter words containing f, o, r, t, i, u
- unification church — a religious sect that combines elements of Protestantism and Buddhism, founded by the Rev. Sun Myung Moon in 1954: many of its members live in communes sponsored by the sect.
- uriniferous tubule — a urine-bearing tubule in a nephron of a kidney.
- zone of saturation — the ground below the water table