"Book nut" is a popular term used to describe a person who loves to read books. However, if you are looking for synonyms for this word, there are several other options you can use. Some of the synonyms for "book nut" include bookworm, bibliophile, book lover, avid reader, page-turner, bookhound, and book addict. All of these terms describe someone who has a deep and passionate love for books and enjoys spending their time reading and discovering new stories and information. So, whether you are a bookworm, book lover, or bibliophile, you can proudly wear your title as a badge of honor.