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

• waste ground
• waste grounds
• wastel
• wasteland
• wastelands
• wastel bread
• wastel breads
• wastelot
• wastels
• wasteness
• wastenesses
• waste one's breath
• waste paper
• wastepaper basket
• wastepaper baskets
• wastepaper bin
• wastepaper bins
• waste papers
• waste pipe
• waste pipes
• waste product
• waste products
• waster
• wastered
• wasterful