Prepend is a word often used in coding and refers to adding or including something at the beginning of a string, text, or array. While it is a commonly used term, there are several other words that can be used interchangeably including 'prefix', 'prelude', 'intro', 'prologue', 'forerunner' and 'precurse'. These words can be used to describe the same actions as 'prepend', meaning to introduce something at the beginning or before something else. As with any word, it's important to choose the most fitting synonym for the context in which it's being used, but these options give a range of vocabulary for those looking to expand their language skills and express their ideas in unique and comprehensive ways.