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

• Ophioglossum
• ophiolater
• ophiolaters
• ophiolatries
• ophiolatrous
• ophiolatry
• ophiolite
• ophiolites
• ophiolitic
• ophiologic
• ophiological
• ophiologies
• ophiologist
• ophiologists
• ophiology
• ophiomorph
• ophiomorphic
• ophiomorphous
• ophiomorphs
• ophiophagous
• ophiophilist
• ophiophilists
• Ophism
• ophite
• ophites