Static line is a term used in many different fields, including military, skydiving, and engineering. There are several synonyms for this term that are used in different contexts. In the military, a static line can also be referred to as a jump line, as it is used for paratroopers to safely descend from an aircraft. In engineering, a static line can be referred to as a reference line, used for measurement and alignment purposes. In skydiving, a static line can be called a ripcord, as it is used to deploy a parachute initially. These are just a few examples of how the term static line can be substituted with other words depending on the context.