19-letter words containing o, s, t, p, l, i
- vicariate apostolic — a district under the jurisdiction of a vicar apostolic.
- wage-push inflation — an inflationary trend caused by wage increases that in turn cause rises in production costs and prices.
- waste disposal unit — an electrically operated fitment in the plughole of a kitchen sink that breaks up food refuse so that it goes down the waste pipe
- welsh mountain pony — a small sturdy but graceful breed of pony used mostly for riding, originally from Wales
- western yellow pine — ponderosa pine.
- withdrawal symptoms — When someone has withdrawal symptoms, they feel ill after they have stopped taking a drug which they were addicted to.
- xenotransplantation — xenograft.