umquhile or umwhile /umˈhwīl/ (archaic, chiefly Scot)

(at) one time, former(ly)

• co-operant
• co-operate
• cooperate
• co-operated
• cooperated
• co-operates
• cooperates
• co-operating
• cooperating
• co-operating grace
• co-operation
• co-operations
• co-operative
• co-operatively
• co-operativeness
• co-operatives
• co-operative societies
• co-operative society
• co-operative store
• co-operative stores
• co-operator
• co-operators
• coopered
• cooperies
• coopering