When it comes to describing activities that are connected or associated with each other, the term "related activities" can be too broad or generic. To convey a more specific idea, some synonyms can be used. For instance, one can say "linked tasks" to suggest two or more activities that have a shared objective. Another possible alternative is "correlated undertakings", highlighting how two or more activities are interdependent and can affect each other's outcome. Additionally, "interrelated ventures" emphasizes the direct connection between multiple activities, whereas "coordinated pursuits" connotes a collaborative effort to achieve a common goal. Ultimately, using synonyms for "related activities" can add precision and depth to one's communication and better reflect the nuances of the situation.