When searching for appropriate synonyms for the term "lord masters," there are several options available. One possible option is "overlords," which is similar to lord masters in that it refers to individuals who are in charge or have authority. Another potential synonym is "rulers," which again refers to those in power and control. "Dominators" is another possibility, as it connotes a strong sense of domination and control over others. Additionally, "sovereigns" and "kings" are synonyms that again point towards individuals with power and jurisdiction over others. Overall, the synonyms for "lord masters" indicate a sense of authority and dominance over a group or situation.