English Informal and Formal Words List
| INFORMAL | FORMAL |
| find out | ascertain |
| free | release |
| get | obtain |
| get in touch with | contact |
| It’s about | It concerns |
| buy | purchase |
| keep | retain |
| leave out | omit |
| let | permit |
| look at | examine |
| make up | fabricate |
| need to | required |
| point out | indicate |
| put off | delay |
| put up | tolerate |
| rack up | accumulate |
| ring up | call |
| orry | apologise |
| seem | appear |
| set up | establish |
| show | illustrate |
| show up | arrive |
| stand for | represent |
| start | commence |
| think about | consider |
