The word "pings" can have several synonyms depending on the context of its usage. In the communication technology world, "pings" can be replaced with "echo requests." The term "pings" is also used to refer to notifications, in which case synonyms include "alerts," "signals," or "prompts." In a gaming or social media context, "pings" can be substituted by "tags," "notifications," or "mentions." Additionally, in the automotive industry, "pings" are often referred to as "knocks" or "detonations." It is worthwhile to note that the synonym you choose will depend on the specific context in which the word is being used.