The word "beards" has a few synonyms that can be used interchangeably to describe the facial hair that grows on a man's chin, cheeks, and upper lip. Some examples of synonyms for "beards" are whiskers, facial hair, mustache, and stubble. Whiskers often refer to shorter, more sparse hairs that grow on the cheeks and chin. Facial hair is a broader term that encompasses all types of hair on a man's face. Mustache is a type of facial hair that grows above the upper lip. Stubble is the short, prickly hair that grows on the face between shaves. Using synonyms can add variety and nuance to writing and conversation.