tridominium /trī-dō-minˈi-əm/

Threefold rule

• expeditive
• expeditor
• expeditors
• expel
• expellable
• expellant
• expelled
• expellee
• expellees
• expellent
• expeller
• expellers
• expelling
• expels
• expend
• expendabilities
• expendability
• expendable
• expendable launch vehicle
• expendable launch vehicles
• expendably
• expended
• expender
• expenders
• expending