Sphery is a rare and archaic term that refers to anything spherical or orb-like in shape. While there aren't many direct synonyms for the word, there are certainly similar words that can be used to describe the same concept. Words like round, circular, and globe-like are all good substitutes for the word sphery. Additionally, terms like orbicular, globular, and spherical are all excellent options as well. Whether you're looking to describe a planetary object, a ball, or any other sphere-shaped form, there are plenty of words to choose from that can help you convey your meaning.