Formal and informal
| Formal | Informal |
| Inform me | Let me know |
| Cancel | Drop |
| Contact | Get in touch |
| Obtain | Get |
| Apologise | Say sorry |
| Postpone | Delay |
| Request | Ask for |
| Compensate | Make up |
| Establish | Set up |
| Discover | Find out |
| Handle | Deal with |
| Investigate | Check up on |
| Tolerate | Put up |
| Increase | Go up |
| Children | Kids |
| Many / Much | A lot of |
| Many / Much | Heaps of |