The phrase "common question" can be replaced with several synonyms that convey the same meaning. Some of the synonyms for common question include usual inquiry, regular query, frequent concern, everyday problem, and frequently asked dilemma. Other alternatives include standard inquiry, typical question, regular issue, and popular problem. Choosing the right synonym depends on the context in which the phrase is used. Some of these synonyms may be more appropriate for formal or professional situations, while others may be used for more casual or everyday conversations. Regardless of the synonym used, they all ultimately refer to questions that are commonly asked in a particular setting.