18-letter words containing r, u, f, i, s
- transfinite number — an infinite cardinal or ordinal number.
- treasury of merits — the superabundant store of merits and satisfactions, comprising those of Christ, the Virgin Mary, and the saints.
- tufted loosestrife — a primulaceous plant Naumburgia thyrsiflora
- tune someone grief — to annoy or harass someone
- turn in on oneself — to withdraw or cause to withdraw from contact with others and become preoccupied with one's own problems
- under the aegis of — guided or protected by
- universal suffrage — suffrage for all persons over a certain age, usually 18 or 21, who in other respects satisfy the requirements established by law.
- university faculty — a division within a university comprising one subject area, or a number of related subject areas
- uriniferous tubule — a urine-bearing tubule in a nephron of a kidney.
- wildlife sanctuary — an area where wild animals and plants are protected
- wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust
- zone of saturation — the ground below the water table