15-letter words containing o, p, t, a, i, n
- uncopyrightable — not able to be copyrighted
- underpopulation — having a population lower than is normal or desirable.
- undisappointing — not disappointing
- unexceptionable — not offering any basis for exception or objection; beyond criticism: an unexceptionable record of achievement.
- unpatriotically — in a manner that is not enthusiastically supporting one's country and its ways of life
- unproportionate — proportioned; being in due proportion; proportional.
- unprotestantize — to make something (e.g. a church, country, etc) a religion other than Protestant
- unsophisticated — not sophisticated; simple; artless.
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- upper arlington — a city in central Ohio, near Columbus.
- utility company — a company which supplies utilities, such as gas, electricity, phones, etc
- utopia planitia — Astronomy. a plain in the northern hemisphere of Mars that was the landing site of the Viking II space probe on September 3, 1976.
- vanishing point — a point of disappearance, cessation, or extinction: His patience had reached the vanishing point.
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- water pollution — the pollution of the sea and rivers
- weatherproofing — Present participle of weatherproof.
- whip into shape — to bring by vigorous action into the proper or desired condition
- wind-pollinated — being pollinated by airborne pollen.
- windfall profit — a profit that arises thanks to an external event over which the person profiting had no control
- working capital — the amount of capital needed to carry on a business.
- you can keep it — I have no interest in what you are offering