15-letter words containing a, s, c, o, g, n
- training course — practical programme of study
- training school — a school that provides training in some art, profession, or vocation.
- urban sociology — the sociological study of cities and their role in the development of society.
- virginian stock — a similar and related North American plant, Malcolmia maritima
- what's cooking? — what's happening?
- witch of agnesi — a plane curve symmetrical about the y- axis and asymptotic to the x- axis, given by the equation x 2 y =4 a 2 (2 a − y).
- yin-yang school — a school of ancient Chinese philosophers who interpreted history in terms of the influence of the seasons and of five elements: earth, wood, metal, fire, and water.