"Pored over" is a phrase commonly used to describe the act of studying something meticulously and carefully. However, there are several synonyms that can be used interchangeably to convey the same meaning. Some of the popular alternatives to "pored over" include scrutinized, examined, scrutinized, inspected, reviewed, analyzed, and studied. Each of these words conveys the idea of looking at something closely, with attention to detail. They are particularly useful when describing research work, literature, or any other material that requires a detailed analysis. Using any of these synonyms in place of "pored over" can help add variety and depth to your writing.