Pantofle is a word typically used to describe a type of slipper or indoor shoe. There are several synonyms for this word, including slipper, mule, clog, and loafer. A slipper is a soft shoe often made of fabric or leather, while a mule is an open-toed style that slides on like a slipper. A clog is a wooden-soled shoe often worn for work or gardening, while a loafer is a casual style made of leather or suede. Each of these words can be used interchangeably with pantofle depending on the context of the conversation or written content.