sponsion /sponˈshən/

1. The act of becoming surety for another
2. An agreement or promise made on behalf of another, esp by an individual on behalf of his or her government

sponˈsional adjective

• rental libraries
• rental library
• rentals
• rent boy
• rent boys
• rent-charge
• rent-charges
• rent-collector
• rent-collectors
• rent-day
• rent-days
• rente
• rented
• renter
• renters
• rentes
• rent-free
• rentier
• rentiers
• renting
• rent restriction
• rent roll
• rent rolls
• rents
• renumber