When it comes to stationery, the term "letter card" is often used to refer to a type of paper that is specifically designed for handwritten letters. However, there are several other synonyms that can be used to describe this type of stationery. Some of the common ones include notecards, stationery cards, writing paper, writing cards, correspondence cards, and paper cards. Each of these terms can be used interchangeably, depending on the context and the specific purpose of the stationery. Regardless of the name, these cards serve as an excellent tool for expressing gratitude, sending messages, and keeping in touch with friends and family.