9-letter words containing g, r, b
- water bug — any of various aquatic bugs, as of the family Belostomatidae (giant water bug)
- wolfsburg — a city in Lower Saxony, in N central Germany, near Brunswick.
- yabbering — Present participle of yabber.
- zeebrugge — a seaport in NW Belgium: part of the city of Bruges; German submarine base in World War I.
- zeitgeber — an environmental cue, as the length of daylight or the degree of temperature, that helps to regulate the cycles of an organism's biological clock.