Hit-and-run and Split-second

Hit-and-run adjective - Involving a driver of a motor vehicle who leaves the scene of an accident.

Split-second and hit-and-run are semantically related. In some cases you can use "Split-second" instead an adjective phrase "Hit-and-run".

Split-second adjective - Done or occurring without any noticeable lapse in time.

Hit-and-run and split-second are semantically related. Sometimes you can use "Hit-and-run" instead an adjective phrase "Split-second".