They sound the same, but capital does many jobs and capitol does just one.
- Capital can mean the main city of a country, a big letter, or money.
- Capitol is a building where lawmakers meet.
Capital: many meanings
Paris is the capital of France.
Start every sentence with a capital letter.
The shop needed more capital to open a second branch.
Capitol: the building
We took a tour of the Capitol in Washington, D.C.
The class visited the state capitol on a school trip.
When it is the name of the big building in Washington, D.C., it gets a capital C: the Capitol.
Easy way to tell them apart
Ask: Am I talking about a building where laws are made?
- Yes, that building? Use capitol.
- Any other meaning (city, letter, money)? Use capital.
💡 The OddLingo Trick
Capitol has an O, like the round dome on top of many capitol buildings. Use it only for the building and you will never mix them up.
⚠️ Common mistakes
The main city: capital.
❌ The capitol of Italy is Rome.
✅ The capital of Italy is Rome.
The building: capitol.
❌ We toured the Capital building in Washington.
✅ We toured the Capitol in Washington.
Where do they come from?
Both words come from Latin caput, "head". Capitol traces to the Roman Capitolium, a temple to Jupiter on Rome's Capitoline Hill. A capital city is the "head" city of a country.