What are some commonly confused homonyms and their correct usage?

Homonyms are words that sound alike but have different meanings. They can often be confusing, leading to errors in spelling and word usage. Here are some commonly confused homonyms and their correct usage:

1. Their, They're, There:
- "Their" is a possessive pronoun, indicating ownership. Example: "Their house is beautiful."
- "They're" is a contraction of "they are." Example: "They're going to the park."
- "There" refers to a place or location. Example: "The book is over there."

2. Your, You're:
- "Your" is a possessive pronoun, indicating ownership. Example: "Is this your car?"
- "You're" is a contraction of "you are." Example: "You're doing a great job."

3. It's, Its:
- "It's" is a contraction of "it is" or "it has." Example: "It's raining outside."
- "Its" is a possessive pronoun, indicating ownership. Example: "The dog wagged its tail."

4. To, Too, Two:
- "To" is a preposition, indicating direction or movement. Example: "I went to the store."
- "Too" means also or excessively. Example: "I want to go too."
- "Two" is the number 2. Example: "I have two cats."

5. Affect, Effect:
- "Affect" is a verb, meaning to influence or change. Example: "The weather affects my mood."
- "Effect" is a noun, meaning a result or consequence. Example: "The medicine had a positive effect on her health."

6. Then, Than:
- "Then" refers to a specific time or sequence. Example: "I will see you then."
- "Than" is used for making comparisons. Example: "She is taller than her brother."

7. Accept, Except:
- "Accept" means to receive or agree to something. Example: "I accept your apology."
- "Except" means excluding or leaving out. Example: "Everyone attended the party except for John."

8. Principal, Principle:
- "Principal" can refer to the head of a school or the main amount of money. Example: "The principal greeted the students."
- "Principle" refers to a fundamental truth or belief. Example: "He has strong principles."

These are just a few examples of commonly confused homonyms. It is important to pay attention to their meanings and usage to avoid spelling and word usage errors.