| Enquiry | Inquiry |
|---|---|
| Enquiry means to ask a question. | Inquiry is a formal investigation. |
| The prefix ‘en’ comes from French. | The prefix ‘in’ comes from Latin. |
| Enquiry is a request for truth, knowledge or information. | Inquiry is an investigation into something. |
| Enquiry is preferred in British English. | Americans are more comfortable with the inquiry. |
| For example: Abhishek writes an Enquiry Letter. | For example: I immediately instituted an inquiry to ascertain the facts in the case. |