Step 1: Understanding the Words.
- **Birth** refers to the act of being born, or the beginning of something.
- **Berth** refers to a bed or space for a person on a ship, train, or other forms of transport. It can also mean a position or job.
Step 2: Creating Sentences.
- **Birth:** The birth of my brother brought immense joy to our family.
- **Berth:** The train's berth was spacious and comfortable for the long journey.
Final Answer:
\[
\boxed{\text{1. Birth: The birth of my brother brought immense joy to our family.}}
\boxed{\text{2. Berth: The train's berth was spacious and comfortable for the long journey.}}
\]