20-letter words containing u, n, f, a, s, c
- the course of nature — the ordinary course of events
- thomas of erceldoune — Thomas of, Thomas of Erceldoune.
- thought transference — transference of thought by extrasensory means from the mind of one individual to another; telepathy.
- uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
- whole-life insurance — a type of insurance with a savings element that is guaranteed to pay out on death provided premiums have been paid as required by the policy