Monorchism is a term that describes a medical condition of having only one testicle. However, there are several synonyms for this word that can be used to describe the same condition in different contexts. Some of these synonyms include unilateral cryptorchidism, gonadal agenesis, anorchism, and uni-testicularism. While these terms may sound complex, each one refers to the situation of having just one testicle. These words can be used interchangeably, depending on the specific context and preference of the individual using them. Those who live with monorchism may prefer to use one of these synonyms when discussing their medical condition with others.