There are many different synonyms for the term "fertility cult," which is used to describe a religious or spiritual group that places great emphasis on fertility and the creation of life. Some of these synonyms include "fertility religion," "life cult," "nature worship," and "fertility worship." Other possible terms might include "reproductive religion," "procreation cult," or "birth cult." Each of these phrases highlights different aspects of the group in question, from its emphasis on natural cycles and growth to its focus on the act of reproduction itself. Ultimately, the choice of synonym will depend on the specific context and nuances of the group being described.