Here are some synonyms for abound:
* Teem: To be full of something, especially living things.
* Swarm: To move in large numbers, especially insects.
* Throng: To be densely crowded.
* Overflow: To be so full that something spills over.
* Be rife with: To be full of something, often something negative.
Here are some examples of how to use "abound" in a sentence:
* The forest abounded with wildlife.
* The garden abounds with flowers in the spring.
* Rumors abound about the company's financial troubles.
* Opportunities abound for those willing to work hard.