Cihuahuateos were women in ancient Aztec culture who had died during childbirth and were believed to become protective spirits. There are several synonyms for the word "cihuateteo," including "cihuapipiltin," which means noble women who died in childbirth, "cihuatlampa," which refers to women who died in childbirth and had been put to rest in a specific area, and "cihuacoyotonqui," which means women who had died while giving birth to twins. Other synonyms for "cihuateteo" include "cihuahecatl," which refers to the wailing of women during childbirth, and "cihuatecayotl," which means the pain of childbirth. All of these synonyms have deep cultural roots and are used to describe the sacred status of these women.