The phrase "spiel off" has multiple synonyms, including "spin off," "derive from," "stem from," "branch out," and "develop from." All of these words imply a relationship between the original concept and the subsequent one, indicating that the latter has grown out of or is related to the former. The phrase specifically suggests that something has been borrowed or extended from an initial source, often in a creative or innovative way. When writers and speakers want to describe a new idea that has been born from an old one, they rely on these many synonyms for "spiel off" to suit the specific context and tone of their message.