There are several synonyms for the word "pea-shaped" which could be used to describe objects, plants, or even body parts. Some of these synonyms include spherical, orb-like, globular, round, bulgy, and ball-shaped. These terms can be used to describe any item or body part that is round and resembles a pea in shape. For instance, the pea-shaped glands in the human body can be referred to as orb-like or round. Similarly, a plant that has small, round, pea-shaped flowers can be described as having globular or ball-shaped blooms. In conclusion, there are many synonyms for the word "pea-shaped" that can be used to describe various types of objects and body parts.