The word "anorthic" is quite unusual and not commonly used in everyday language. This term usually refers to a specific type of mineral structure that lacks symmetry in crystallography. However, there are a few related words that could serve as synonyms for "anorthic," such as irregular, non-symmetrical, or asymmetrical. Each of these options conveys a slightly different nuance, but all refer to something that is not equal or balanced in terms of size, shape, or positioning. Whether you are describing a physical object, a visual design, or an abstract concept, using synonyms like these can help to improve clarity and precision in your communication.