Informal & Formal Words
| S.No. | Informal | Formal |
| 1. | Help | Assist |
| 2. | Start | Commence |
| 3. | Mad | Insane |
| 4. | Go up | Increase |
| 5. | Tough | Difficult |
| 6. | Book | Reserve |
| 7. | Go on | Continue |
| 8. | In charge of | Responsible |
| 9. | Try out | Test |
| 10. | Call on | Visit |
| 11. | Drop out of | Withdraw |
| 12. | Look up to | Respect |
| 13. | Look like | Resemble |
| 14. | Job | Occupation |
| 15. | Go ahead | Proceed |
| 16. | Go after | Pursue |
| 17. | Anyways | Nevertheless |
| 18. | Put in | Insert |
| 19. | Bring in | Introduce |
| 20. | Make up | Invent |
| 21. | Sorry | Apologize |
| 22. | Tell | Inform |
| 23. | Need | Require |
| 24. | Ask | Request |
| 25. | Check | Verify |
| 26. | Get | Receive |
| 27. | Hungry | Famished |
| 28. | Childish | Immature |
| 29. | Maybe | Perhaps |
| 30. | Good | Positive |
| 31. | Give | Provide |
| 32. | Stubborn | Obstinate |
| 33. | Danger | Peril |
| 34. | Put off | Postpone |
| 35. | Here | Present |
| 36. | So | Therefore |
| 37. | Choose | Select |
| 38. | Look for | Seek/search |
| 39. | Maybe | Perhaps |
| 40. | Say no | Reject |
| 41. | Buy | Purchase |
| 42. | Ask | Enquire |
| 43. | Ask for | Request |
| 44. | Book | Reserve |
| 45. | Check | Verify |
| 46. | Help | Assist |
| 47. | Keep | Retain |
| 48. | Say Sorry | Apologize |
| 49. | Start/Begin | Commence |
| 50. | End | Terminate/Finish |
| 51. | Get in touch with | Contact |
| 52. | Free | Release |
| 53. | Ring up | Call |
| 54. | Seem | Appear |
| 55. | Deal with | Handle |
| 56. | Need to | Required |
| 57. | Set up | Establish |
| 58. | Stand for | Represent |
| 59. | Think about it | To consider |
