| guarantee(noun, verb, support, agreement, permit) |
| pledge(noun, verb, support, agreement, permit) |
| promise(noun, verb, support, agreement, contract) |
| guaranty(noun, verb, agreement, contract, assurance) |
| warrant(noun, verb, support, agreement, permit) |
| assurance(noun, agreement, permit, contract, sanction) |
| bond(noun, agreement, contract, assurance, undertaking) |
| security(noun, support, agreement, permit, record) |
| oath(noun, support, agreement, contract, assurance) |
| sanction(noun, affirmation, certification, dueness) |
| word(noun, support, agreement, permit, contract) |
| ensure |
| surety(noun, agreement, contract, assurance, bond) |
| undertaking(noun, agreement, contract, assurance, compact) |
| assure |
| endorsement(noun, permit, security, warrant, document) |
| insurance(noun, support, agreement, contract, assurance) |
| vow(noun, support, agreement, contract, assurance) |
| affirmation(noun, support, agreement, permit, record) |
| contract(noun, agreement, assurance, compact, undertaking) |