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.
- under (one's) belt
- under one's belt
- under (one's) breath
- under one's breath
- under (one's) hat
- under one's hat
- under (one's) wing
- under one's wing
- underpaid
- under pain of
- underpants
- underpart
- underpass
- underpay
- underpayment
- underperform
- underperformance
- underperformer
- underpin
- underpinning
- underplay
- underplot
- underpopulated
- underpopulation
- underprice