folk·way 
(fōkwā′)
(fōkwā′)n.
A practice, custom, or belief shared by the members of a group as part of their common culture: studying the folkways of Appalachia.
- groundball
- ground bass
- ground beetle
- groundbreaker
- groundbreaking
- ground cedar
- ground cherry
- ground cloth
- ground-controlled approach
- ground cover
- groundcover
- ground crew
- ground-effect machine
- grounder
- ground fault
- ground-fault interrupter
- groundfish
- ground floor
- ground glass
- ground hemlock
- groundhog
- ground hog
- Groundhog Day
- ground ivy
- groundkeeper