Squirarchy is a relatively unfamiliar word that refers to a group of nobles or people with wealth and power. Synonyms for this term can include aristocracy, oligarchy, ruling class, elite, and nobility. These words describe individuals or groups who hold a significant amount of control or influence over a particular society or industry. Other potential synonyms for squirarchy, depending on context, could include hierarchy, upper class, establishment, or even simply "the rich and powerful." When choosing synonyms for squirarchy, it is important to consider the connotations and implications of each word, as well as how it might be perceived by different audiences.