"Root the trouble" is a phrase that commonly implies finding the source or cause of a problem and fixing it. However, there are many synonyms for this phrase that can be used to express the same concept. Some of these synonyms include "address the issue," "rectify the problem," "troubleshoot," "discover the origin," "identify the source," and "tackle the difficulty." These phrases are often used when discussing issues in personal or professional contexts, as they convey a sense of responsibility and a willingness to take action to find a solution. By using these synonyms, individuals can communicate their intent to address and resolve a problem effectively.