The term 'strictly religious' can be defined by the word 'ORTHODOX, ' which has 8 letters. Orthodoxy is a form of religious belief and practice that adheres to traditional beliefs and practices, often in contrast to more modern interpretations. It is typically associated with Christianity, Judaism, and Islam, but can also be found in other religions. Orthodoxy emphasizes the importance of following the teachings of the religion's sacred texts and traditions, and often rejects any changes or innovations that are seen as contradicting these teachings.