15-letter words containing a, l, p, h, o
- thalassotherapy — the use of sea water and marine products as a therapeutic treatment
- the colophonian — a native of Colophon.
- the jos plateau — a plateau in Nigeria with an average altitude of 1280 metres
- the other place — (at Oxford University) Cambridge University
- the paleolithic — the Paleolithic period, subdivided into the Lower (to c. 150,000 b.c.), Middle (to c. 38,000 b.c.), and Upper stages; Old Stone Age
- typographically — of or relating to typography.
- ultrasonography — a diagnostic imaging technique utilizing reflected high-frequency sound waves to delineate, measure, or examine internal body structures or organs.
- uncopyrightable — not able to be copyrighted
- unphilosophical — not adhering to philosophical theory or principles
- vine phylloxera — a homopterous insect, Phylloxera vitifolia, typically feeding on vine juices
- washing-up bowl — plastic bowl used for washing dishes
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- west hartlepool — a former borough, now part of Hartlepool, in Cleveland County, in NE England, at the mouth of the Tees.
- xerographically — In a xerographic way; by xerography.
- xylotypographic — involving or pertaining to xylotypography
- zoogeographical — Pertaining to zoogeography.
- zoophytological — of or relating to zoophytology
- zygophyllaceous — belonging to the Zygophyllaceae, the caltrop family of plants.