SPCK stands for the Society for Promoting Christian Knowledge, which is a Christian charity based in the UK. Some synonyms for SPCK might include "religious organization," "charitable foundation," or "Christian ministry." Additionally, some people might refer to SPCK as a "church group," "faith-based charity," or "Christian education society." Each of these terms describes different aspects of what SPCK does and what it represents, including promoting Christian principles and values, supporting charitable causes, and providing education and resources for Christian communities. Regardless of what specific synonym you use to refer to SPCK, it is clear that this organization plays an important role in promoting Christian knowledge and values across the UK and beyond.