The term "threadworks" refers to the art of creating designs and patterns using threads, and there are several synonyms that can be used to describe this practice. Embroidery is perhaps the most commonly used synonym for threadworks, as it involves creating designs on fabric using needle and thread. Another word that can be used to describe this art is needlework, which is a more general term that encompasses various techniques such as embroidery, knitting, and crocheting. Additionally, the terms stitching, sewing, and quilting are all synonyms that can be used to describe the process of creating designs using threads. Regardless of the specific term used, threadworks is a beautiful and intricate art that requires skill, patience, and creativity.