When writing letters, it can be helpful to vary your vocabulary to make your writing more interesting and engaging. Here are some synonyms for the phrase "exchanges letters": - Corresponds: This word suggests a back-and-forth exchange of letters. - Communicates: This is a broader term that can refer to any type of communication, including letters. - Writes to: This phrase emphasizes the act of writing a letter to someone. - Sends correspondence: This is a more formal way to describe the exchange of letters. - Pens letters: This is a more literary way of describing writing letters. - Sends missives: This is a more dramatic way of describing the exchange of letters. - Exchanges epistles: This is a more archaic way of describing letter writing and emphasizes the literary quality of the exchange.