The phrase "rule the sword" is often used to describe having power or control over a situation. There are several synonyms that can be used to convey a similar meaning. "Dominate" suggests taking charge and exerting authority over a particular area or group. "Conquer" implies overcoming obstacles and achieving success over an opponent. "Command" suggests having the ability to influence and direct others. "Govern" suggests controlling a situation or group with authority and responsibility. "Lead" implies setting the direction and guiding others towards a specific goal. All of these words can be used interchangeably with "rule the sword" to express a sense of power and control.