These groups of words sound the same, or similar to each other.  It can be confusing to know which one to use when you write.  Examples:

• I’m going to Boston.
• I’m hungry and she is too.
• There is too much snow.
• I have two daughters.
• She bought some groceries and then she went home.
• My car is older than your car.
• Plum Island is a pretty place and I’m going there tomorrow.
• They’re very excited kids.
• Their car is in front of my car.
• Can I use your phone?
• You’re my best friend.
• They were at the beach yesterday.
• We’re happy that you can come to visit us.
• Where are you going?

There are many more commonly confused words.

— Thanks to Pat for suggesting this article —