The term "books of kings" generally refers to the biblical books of 1 Kings and 2 Kings. However, there are several synonyms that can be used to refer to these religious texts. One option is "royal chronicles," which conveys the idea of a historical record of the reigns of various kings. Another possible synonym is "regal scriptures," which emphasizes the religious nature of the books and their connection to sacred texts. "Monarchial literature" is another option that emphasizes the literary value of the books and their place in the canon of Western literature. Overall, each synonym offers its own unique angle on the books of kings, allowing readers to approach the texts from different perspectives.