16-letter words containing a, p, e, n, i, s
- unaccomplishable — to bring to its goal or conclusion; carry out; perform; finish: to accomplish one's mission.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- ungava peninsula — a peninsula in NW Ungava region, in N Quebec, in E Canada.
- unimpressionable — easily impressed or influenced; susceptible: an impressionable youngster.
- unissued capital — authorized capital that has not yet been issued as shares
- unrepresentative — a person or thing that represents another or others.
- upland sandpiper — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.
- upside-down cake — a cake that is baked on a layer of fruit, then turned before serving so that the fruit is on top.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- washing-up water — water used for washing dishes
- water-base paint — latex paint.
- weatherstripping — A piece of weatherstrip material.
- windowpane shell — capiz.
- windward passage — a strait in the West Indies, between Cuba and Haiti. 50 miles (80 km) wide.
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty