What is the proper noun for word accounting?

There isn't a single, universally accepted proper noun for "accounting." However, depending on the context, you could use various options:

* Accounting: This is the most common way to refer to the field of accounting. It functions as a proper noun in this context.

* Accountancy: This is another common term for the profession and field of accounting.

* The Accounting Profession: This is a more formal way to refer to the field of accounting.

* [Specific Accounting Firm Name]: This is a proper noun when referring to a specific accounting firm, like "Deloitte," "PricewaterhouseCoopers," or "Ernst & Young."

* [Specific Accounting Department]: This is also a proper noun when referring to a specific accounting department within an organization, like "The Accounting Department" or "Finance and Accounting."

Ultimately, the best way to determine the proper noun for "accounting" depends on the specific context and what you're trying to communicate.