Capital or Capitol: Which Is Correct?
Updated · Which One Is Correct editorial team
Quick answer: Capital and capitol are often confused but have distinct meanings. Capital refers to a city serving as a seat of government, money, or assets, as well as an uppercase letter. In contrast, capitol specifically denotes the building where a legislature meets, such as the US Capitol. Understanding this difference ensures your writing remains clear and accurate.
The Short Answer
Capital means a city that is a seat of government, money or assets, or an uppercase letter, whereas capitol is the building where a legislature meets, as in the US Capitol.
People frequently mix these words up because they sound identical and share similar spelling patterns, yet one describes a place of governance while the other describes a specific structure.
Side-by-Side Comparison
| Form | Status | Use it when |
|---|---|---|
| Capital | Noun | You use it for a city or an uppercase letter |
| Capital | Adjective | You use it to describe something involving money or power |
| Capitol | Noun | You use it for a legislative building |
| Capital | Status | This form applies to cities or letters |
Correct Example Sentences
- Denver is the capital of Colorado.
- Please write the letter B in capital.
- Money serves as capital for business growth.
- The capitol building houses the state legislature.
- Washington D.C. is the national capital.
- Investors seek capital to expand their operations.
- She signed the document with her capital name.
- The capitol dome is visible from the park.
- Paris was once the capital of France.
- He spent his capital on new equipment.
Common Mistakes and Fixes
- We visited the capital building to see the laws.
- We visited the capitol building to see the laws.
- She wrote her signature in capitol letters.
- She wrote her signature in capital letters.
- The city is located near the capital.
- The city is located near the capitol.
- They invested their capital in the new capitol.
- They invested their capital in the new project.
- The capital is tall and made of stone.
- The capitol is tall and made of stone.
- He needed capital to buy the capitol grounds.
- He needed capital to buy the land.
A Quick Test You Can Use
To decide which word to use, consider whether you are describing a city or an uppercase letter, which requires capital, or if you are referring to the specific building where lawmakers gather, which requires capitol.
Related Word Pairs
- Complement vs Compliment
- Complement means to complete or go well with, while compliment means to praise.
- Effect vs Affect
- Effect is usually a noun meaning result, while affect is a verb meaning to influence.
- Principal vs Principle
- Principal refers to a headmaster or main amount, while principle refers to a rule.
- Historic vs Historical
- Historic means famous in history, while historical means relating to history.
- Stationary vs Stationery
- Stationary means not moving, while stationery refers to paper and writing supplies.
Frequently Asked Questions
When should I use capitol instead of capital?
Use capitol only when referring to the building where a legislature meets. Use capital for cities, money, assets, or uppercase letters in writing.
Is Washington D.C. called the capital or capitol?
Washington D.C. is the capital city of the United States, not a building. The building inside the city is called the U.S. Capitol.
Can capital be an adjective?
Yes, capital can be an adjective meaning full of power or money, such as a capital crime, but it is not used for buildings.
Why do people confuse these two words?
They sound exactly the same and share most of their letters, making it easy to mistake the legislative building for a city or an uppercase letter.
