Sure! Here are the correct forms of the words in brackets:

1. It's **amazing** that he carves beautiful faces into small woods. (AMAZE)
2. My mother hangs her beautiful pictures on the wall as home **decorations**. (DECORATE)
3. Staying at home is the most **boring** way of relaxation. (BORE)
4. People in this area have a problem with **obesity**. (OBESE)
5. I hate winter because I like **warm** climate. (WARMTH)
6. She washes her face **regularly**, so she rarely has spots. (REGULAR)
7. He later became a famous jazz **musician** playing saxophone. (MUSIC)
8. The problems seemed so small and **unimportant**. (IMPORTANT)
9. I think that good knowledge of arts and music is a **necessity** for anyone. (NECESSARY)
10. He took an **exam** last week. His result was very good. (EXAM)

Let me know if you need any further assistance!