"Grew out of" is a common phrase used to describe how something evolved or developed from something else. However, there are several synonyms that can be used to convey a similar meaning. For instance, the phrase "evolved from" implies gradual change and transformation. Meanwhile, "developed from" suggests a deliberate process of growth and improvement. Another option is "stemmed from," which conveys a sense of origin or starting point. Similarly, "resulted from" implies a cause-and-effect relationship between two things. Lastly, "sprang from" suggests a sudden or unexpected emergence from something else. By using these synonyms, writers and speakers can add variety and nuance to their language.