When it comes to expressing ideas related to God, there are many different words that can be used. Some possible synonyms for the phrase "concerning God" might include words like "regarding God," "pertaining to the divine," "related to theology," "about spirituality," or "with respect to religion." Other possible expressions might involve words related to faith or belief, such as "in reference to devotion," "with regard to worship," or "related to the sacred." Ultimately, the choice of words will depend on the specific context in which they are being used, as well as the intended audience and purpose of the communication.