1. Bear/Bare: The grizzly bear was bare of fur on its belly. (The first "bear" is a noun, the second is an adjective.)
2. See/Sea: I can see the waves crashing on the sea. (The first "see" is a verb, the second is a noun.)
3. Right/Write: I have the right to write my own story. (The first "right" is an adjective, the second is a verb.)
4. To/Too/Two: I went to the store too late, so I only got two apples. (The first "to" is a preposition, the second "too" is an adverb, and the last "two" is a number.)
5. There/Their/They're: They're going to leave their bags over there. (The first "they're" is a contraction of "they are", the second "their" is a possessive pronoun, and the last "there" is an adverb.)
6. Hear/Here: Can you hear me? I'm right here. (The first "hear" is a verb, the second "here" is an adverb.)
7. No/Know: I know that you have no money left. (The first "know" is a verb, the second "no" is an adjective.)
8. Peace/Piece: The dove is a symbol of peace. I ate a piece of pie. (The first "peace" is a noun, the second "piece" is a noun.)
9. Break/Brake: It's time for a break. Please apply the brake. (The first "break" is a noun, the second "brake" is a noun.)
10. Weak/Week: I feel weak after a long week. (The first "weak" is an adjective, the second "week" is a noun.)