10-letter words containing a, u, f, g
- union flag — the national flag of the United Kingdom, being a composite design composed of St George's Cross (England), Saint Andrew's Cross (Scotland), and Saint Patrick's Cross (Ireland)
- upflashing — flashing or flaring up
- urban golf — a game played on a large outdoor course in a non-residential area of a city, the object of which is to hit a tennis ball using clubs, with as few strokes as possible, into each of usually 18 holes