Redelivery is a term used when items or packages are delivered again after unsuccessful initial delivery. However, there are other synonyms for redelivery, such as re-dispatch, re-send, re-ship, re-issue, and re-transmit. These words can be used interchangeably with redelivery depending on the context used. For instance, re-dispatch is commonly used in a logistics context where packages are dispatched to different locations for various reasons like failed delivery. On the other hand, re-issue and re-send are commonly used when dealing with documents such as certificates or licenses. The use of these synonyms depends on the situation and preference of the writer or speaker.