Isomorphy is a scientific term used to describe the phenomenon of having a similar structure or form. Some synonyms for isomorphy include isomorphism, homomorphism, and structural similarity. Isomorphism refers to the existence of a one-to-one correspondence between two different systems or structures. Homomorphism pertains to the mathematical concept of mapping between two structures that preserves the structure and operations of each. Meanwhile, structural similarity describes the resemblance between the physical features or behavior of two or more entities. In summary, isomorphy and its synonyms all refer to the concept of similarity or correspondence between different structures or systems.