This meaning means many things or feelings are found in a place or situation. It is used for both real things and ideas.
This area abounds with wild animals.
Hope abounds in times of change.
This use means that a place or thing has a lot of a certain quality or thing. It suggests richness or being full of something.
The book abounds with interesting facts.
The city abounds in history and culture.
This meaning refers to ideas or feelings that are found very often. It shows many or many examples within a group or place.
Rumors abound about the new movie's ending.
Opportunities abound for those who work hard.
Here, it means something happens or appears many times in a place or time. It often talks about mistakes or small problems.
Mistakes abound in this old book.
Errors abound during exams.
