15-letter words containing p, i, t, u, o, s
- ultramicroscopy — the use of the ultramicroscope.
- unapostolically — in an unapostalic manner
- uncompassionate — having or showing compassion: a compassionate person; a compassionate letter.
- uncomplaisantly — in an uncomplaisant manner
- undisappointing — not disappointing
- unopportunistic — adhering to a policy of opportunism; practicing opportunism.
- unpretentiously — without pretension
- 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.
- white corpuscle — white blood cell.