13-letter words containing o, n, p, a, i
- watering spot — watering hole
- waterproofing — Chiefly British. a raincoat or other outer coat impervious to water.
- waterscorpion — any of several predaceous aquatic bugs of the family Nepidae, having clasping front legs and a long respiratory tube at the rear of the abdomen: capable of biting if handled.
- waygoing crop — away-going crop.
- weaponization — Standard spelling of from=American spelling.
- word painting — an effective verbal description.
- word wrapping — In computing, word wrapping is a process by which a word which comes at the end of a line is automatically moved onto a new line in order to keep the text within the margins.
- working party — A working party is a committee which is formed to investigate a particular situation or problem and to produce a report containing its opinions and suggestions.
- xiphiplastron — the fourth lateral plate of a turtle's plastron
- yuppification — The act or process of yuppifying.
- zinjanthropus — the genus to which Australopithecus boisei was formerly assigned.
- zooplanktonic — Of or pertaining to zooplankton.
- zoosporangium — a sporangium or spore case in which zoospores are produced.
- zygosporangia — a sporangium that bears a zygospore.