15-letter words containing a, i, r, p, s, g
- tetrasporangium — a sporangium containing four asexual spores.
- thalassographic — relating to thalassography
- tiglath-pileser — died 727 b.c, king of Assyria 745–727.
- trading profits — profits made from the buying and selling of goods and services
- vanishing spray — a substance that disperses without trace shortly after it is sprayed onto a surface, used in football to mark a temporary line behind which defenders must stand when a free kick is taken
- walpurgis night — (especially in medieval German folklore) the evening preceding the feast day of St. Walpurgis, when witches congregated, especially on the Brocken.