There are many different synonyms that can be used instead of the phrase "string of beads". Some common options include "bead necklace", "beaded strand", "beaded chain", "beaded necklace", and "beaded string". Other variations on this theme might include using different adjectives to describe the beads themselves, such as "colorful bead necklace", "ornamental bead strand", or "elegant beaded chain". Some people might also refer to these items as "jewelry beads", "fashion beads", or simply "beads", depending on the context and the intended use of the item. Ultimately, the best option will depend on the tone and style of the writing, as well as the intended audience and the specific purpose of the article or text.