| pledge(verb, confirm, affirm, promise, guarantee) |
| assure(verb, promise, swear) |
| promise(verb, engage, contract, swear) |
| swear(verb, engage, contract, promise) |
| contract(verb, engage, promise, swear) |
| covenant(verb, engage, contract, promise, swear) |
| engage(verb, contract, promise, swear) |
| give your word(expression, idiom, promise, swear) |
| guarantee(promise, swear) |
| hock(verb, engage, contract, promise, swear) |
| hook(verb, engage, contract, promise, swear) |
| mortgage(promise, swear) |
| pawn(verb, engage, contract, promise, swear) |
| plight(verb, engage, contract, promise, swear) |
| sign for(verb, expression, phrasal verb, engage, contract) |
| soak(verb, engage, contract, promise, swear) |
| swear an oath(expression, idiom, promise, swear) |
| undertake(promise, swear) |
| vouch(verb, engage, contract, promise, swear) |
| vouchsafe(promise, swear) |