Superfluence is a rare word that means an excessive influence or power. However, there are several other words that can be used instead of superfluence. For example, the word domination could be used to describe a powerful influence over people or situations. The word supremacy means to have complete control or authority over something. Influence is another word that is commonly used to describe the power one holds over others. Authority is another synonym for superfluence as it implies the power to make decisions and enforce them. Power and control are two words that can also be used to describe the same concept. Overall, there are many words that can be used instead of superfluence, each with slightly different connotations and meanings.